1、v1.0可編輯可修改新概念一冊語法點匯總第一部分：時態8種一般現在時，現在進行時，一般過去時，現在完成時，一般將來時，過去進行時，過 去完成時，過去將來時1. 一般現在時表示一般性，經常性的動作或一般性事實。(1)含有be動詞的句子The girl is very beautiful.Tim and Jack are students. 變疑問句三步驟：將be動詞移到句首，首字母大寫，句號變問號。Is the girl very beautifulAre Tim and Jack students 變否定句在be動詞后面加notThe girl is not very beautiful.Ti

2、m and Jack are not students. 肯定回答及否定回答Yes, she is. No, she is not.Yes, they are. No, they are not.(2)不含有be動詞的句子，即含有一般動詞的句子第三人稱單數及單數名詞She likes him.The dog likes bones. 變疑問句三步驟：在句首加does,動詞變為原型，問號變句號。Does she like himDoes the dog like bones 變否定句在主語及動詞之間加doesn' t,動詞變為原型，原句中的動詞不再有第三人稱變化：有了助動詞的幫助，句中動

3、詞變回原形！She doesn' t like him.The dog doesn ' t like bones. 肯定回答及否定回答：Yes, she does. No, she doesn ' tYes, it does. No, it doesn ' t.注意：第三人稱單數形式一般在動詞后面加S,不要和名詞復數混淆，變否定句或疑問句時名詞復數沒有任何變化。其他人稱及復數名詞I want to have a bath.We have some meat.The students like smart teachers.變疑問句：在句首加do,句號變問號。Do

4、 you want to have a bathDo we have any meatDo the students like smart teachers 變否定句在主語和動詞之間加don' t.You don' t want to have a bath.We don' t have any meat.The students don ' t like smart teachers. 肯定回答及否定回答Yes, I do. No, I don ' t.Yes, we do. No, we don ' tYes, they do. No, th

5、ey don ' t.2. 現在進行時表示現在正在進行的動作。構成： 主語+be動詞+動詞的現在分詞 doingWe are having lunch.He is reading a book.The dog is running after a cat.The boys are swimming across the river.變疑問句將be動詞移到句首Are we having lunchIs he reading a bookIs the dog running after a catAre the boys swimming across the river變否定句在be動詞

6、后面加notWe are not having lunch.He is not reading a book.The dog is not running after a cat.The boys are swimming across the river.特殊疑問句：what, which, how, where, who, etc.疑問詞+動詞+主語+現在分詞What are you doingWhat is she doingWhat is the dog doing沒有進行時的動詞（必背）表示狀態，思想，感情和感覺的動詞不能表示正在進行的動作1. 表示感覺，感官的詞see, hear,

7、 like, love, want,2. have, has 當“擁有”講時沒有進行時3. 一般過去時表示過去發生的動作或事件，常和表示過去的時間狀語連用，如 yesterday, lastnight, the day before yesterday, 3 days ago,含有be動詞的句子，將動詞變為過去式，am, is的過去式為was, are的過去式為wereI was at the butcher ' s.You were a student a year ago.The teacher was very beautiful ten years ago.變疑問句將be動詞移

8、動到句首Were you at the butcher ' sWere you a student a year agoWas the teacher very beautiful ten years ago變否定句在be動詞后面加notI was not at the butcher ' s.You were not a student a year ago.The teacher was not very beautiful ten years ago.肯定回答否定回答Yes, I was. No, I was not.Yes, you were. No, you were

9、 not.Yes, he/she was. No, he/she was not.特殊疑問句：What did you do不含有be動詞的句子，將動詞變為過去式I finished my homework yesterday.The boy went to a restaurant.The Sawyers lived at King Street a year ago.變疑問句三步驟：在句首加did ,動詞變為原型，句號變問號。Did you finish your homework yesterdayDid the boy go to a restaurantDid the Sawyers

10、 live at King Street a year ago變否定句在主語和動詞之間加did notI did not finish my homework yesterday.The boy did not go to a restaurant.The Sawyers did not live at King Street a year ago.肯定回答及否定回答Yes, I did. No, I didn ' t.Yes, he did. No, he didn ' t.Yes, they did. No, they did not.4.現在完成時構成：主語+助動詞hav

11、e, has+過去分詞done用法：1）表示過去發生的和現在有某種聯系的動作，常和 just, usually, already, since 等時間副詞連用I have just had lunch.（ 飽了，不用再吃了 ）He has had a cup of tea.（ 不渴了，不用再喝）They have already had their holiday.（不能再度假了 ）The boy has already read the book.（ 已經知道書的內容了，不用再看了 ）2）詢問別人是否做過某事一般用現在完成時：Have you finished your homeworkHa

12、ve you been to BeijingHave he seen the film3）表示開始于過去并持續到現在的動作I have lived in Beijing for twenty years.1 have worked for this school for 1 year.4）表示一種經歷，經驗：去過地方，做過事情，經歷過事情I have never had a bath.I have never seen a film.I have never been to cinema.I have ever been to Paris.Have been to 表示去過， have gon

13、e to表示去了I have been to London.（人已經回來）He has gone to London.（人還在那里 ）5）表示一種結果，一般不和時間副詞聯用I have lost my pen.I have hurt myself.He has become a teacher.She has broken my heart.句型變化：變疑問句將助動詞移到句首，變否定句在助動詞后面加not.Have you lost your pen I have not lost my pen.肯定回答及否定回答Yes, I have. No, I have not.特殊疑問句：What h

14、ave you doneWhat has he done一般過去時與現在完成時的區別：凡是有明確的表示過去的時間狀語的句子為過去時注意：有些動詞表示的動作有一個終點，不能再延續，因此不能和表示一段時間狀語連用錯：I ' ve le ft Beijing for 3 days.對：I left Beijing 3 days ago. I have been away from being for 3 days.5. 一般將來時表示將來將要發生的動作，經常和tomorrow, next year, the day after tomorrow,the year after the next

15、, in five hours' time, etc.表示將來的詞聯用結構： 主語+助動詞will+動詞原形do1 will go to America tomorrow.The pilot will fly to Japan the month after the next.Jack will move into his new house tomorrow morning.變疑問句將助動詞移到句首Will you go to America tomorrowWill the pilot fly to Japan the month after the nextWill Jack m

16、ove into his new house tomorrow morning變否定句在助動詞后面加notI will not go to America tomorrow.The pilot will not fly to Japan the month after the next.Jack will not move into his new house tomorrow morning肯定回答及否定回答Yes, I will. No, I will not.Yes, he/she will. No, he/she will not.Yes, he will. No, he will n

17、ot.特殊疑問句：What will you do6 .過去完成時用法：在過去的時間里，兩個動作中，發生在前的哪個動作要用過去完成時。結構：主語+助動詞had+過去分詞doneAfter she had finished her homework, she went shopping.They had sold the car before I asked the price.The train had left before I arrived at the station.After/before引導的時間狀語從句放在句首要在句子后面加逗號，如果放在主句后則不用加。 變疑問句將助動詞移到句

18、首Had she finished her homework 變否定句在助動詞后面加notShe hadn' t finished her homework. 肯定回答及否定回答Yes, she had. No, she hadn ' t. 特殊疑問句：What had she done7 .過去進行時表示過去正在進行的動作，經常用在 when, while, as引導的狀語從句中。結構：主語+was/were +現在分詞doingWhen my husband was going into the dining room this morning, he dropped so

19、me coins on the floor.While we were having dinner, my father was watching TV.8過去將來時結構：主語+ would + 動詞原形doShe said she would go here the next morning.兩個 特殊句型：there be 句型，be going to 結構1） Be going to 結構表示打算，準備，計劃做某事結構：主語+be動詞+going to + 動詞原型1 am going to make a bookcase.They are going to paint it.The f

20、ather is going to give the bookcase to his daughter.變疑問句將be動詞移到句首Are you going to make a bookcaseAre they going to paint itIs the father going to give the bookcase to his daughter變否定句在be動詞后面加notI am not going to make a bookcase.They are going to paint it.The father is not going to give the bookcase

21、to his daughter.肯定回答及否定回答Yes, I am. No, I am not.Yes, they are. No, they are not.Yes, he is. No, he is not.特殊疑問句What are you going to doWhat are they going to doWhat is the father going to do（必背）2） There be 句型表示哪里有什么東西（某處有某物）There is+單數名詞+表示場所的詞（一般為介詞詞組）There is a book in this room.There is a pen on

22、 the tableThere are+復數名詞+表示場所的詞（一般為介詞詞組）There are two pens on the table.There are three schools there.變疑問句將be動詞移到句首Is there a book in this roomAre there two pens on the table變否定句在動詞后面加notThere is not a book in this room.There are not two pens on the table.肯定回答及否定回答Yes, there is. No, there is not.Yes

23、, there are. No, there are not.第二部分其他句法及詞法9問句一般疑問句，特殊疑問句，選擇疑問句，反意疑問句，選擇疑問句，否定疑問句1） 一般疑問句：助動詞/be動詞+主語Are you a teacher Do you want to have a cup of tea2）特殊疑問句：特殊疑問詞 +一般疑問句What is your name3）選擇疑問句：orDo you want beef or lamb4）反意疑問句：肯定陳述句+否定疑問部分，否定陳述部分+肯定疑問部分You don' t need that pen, do you5）否定疑問句：一

24、般疑問句+否定詞Aren' t you lucky Don ' t you want have a rest10 限定詞： some, any, many, much some, any修飾可數名詞或不可數名詞，some用于肯定句，any用于否定句和疑問句，注意，當期待對方的答案為肯定回答時用some many修飾可數名詞，much修飾不可數名詞，在口語中表示很多一般不用many, much,而用a lot of,在否定句中表示很多用many, much.I have a lot of money. I don ' t have much money.11名詞：種類，復

25、數，名詞所有格 名詞分為可數名詞和不可數名詞1)不可數名詞無法分開的東西：water, tea, bread, milk, rice(米)抽象的東西：love, beauty, coldness( 寒冷)不可數名詞有以下特點： 不能用a, an修飾 不能加s 和單數be動詞或動詞搭配2)可數名詞：單數可數名詞要用冠詞修飾，復數可數名詞要在名詞后面加s,名詞復數共有以下幾種變化：規則變化的名詞復數形式規則 1 一般情況 +s . shell shells book books規貝U 2 以 s, x, ch, sh 結尾+es .fox -foxes church fchurches,bus-b

26、uses, watch fwatches規貝U 3 以。結尾 +s 或+es . potato fpotatoes, Negro fNegroes, hero fheroes, tomatoftomatoes , (口訣：黑人英雄愛吃土豆和西紅柿)，剩下一般加 s, radio -radios規則 4 以 f, fe 結尾的，變 f, fe 為 ves . life lives halfhakes, shelf -shelves,city fcities, wifefwives規則5以輔音字母+y結尾， 變y為i+es . sky 一skies fly flies3)不規則變化的名詞復數形式m

27、an(men) woman(women) foot(feet) goose(geese) tooth(teeth)child(children) sheep(sheep) deer(deer) mouse(mice) fish(fish)12副詞：用法及形容詞變副詞的變化 副詞可以修飾形容詞，動詞，副詞或整個句子。如：The book is very good.He runs fast.She came here quite early.Certainly I will go with you.副詞變化形式： 直接在形容詞后加-ly,careful-carefully, slow-slowly

28、, 以輔音字母加y結尾的形容詞，把 y變I,加-ly,happy-happily, lucky-luckily 有些詞形容詞和副詞的形式相同，不需要做任何變化fast, hard, late 有些詞加上-ly后意思與原詞相差很遠： neary-nearly, high-highly, late-lately13 情態動詞的使用：can, must, may, might, need,1）情態動詞 can（能夠），must（必須），may（可以）結構：主語+can/must/may+動詞原型He can make the tea.Sally can air the room.We can spe

29、ak English.變疑問句將情態動詞移到句首Can he make the teaCan Sally air the roomCan we speak English變否定句在情態動詞后面加notHe cannot make the tea.Sally cannot air the room.We cannot speak English.肯定回答及否定回答Yes, he can. No, he cannot.Yes, she can. No, she cannot.Yes, we can. No, we cannot.特殊疑問句：What can you do注意：情態動詞的句子沒有第三

30、人稱單數的變化，不要在情態動詞或動詞后面加So2）Must/have to 的區別must表示必須，是主觀上覺得應該做，have to是不得不，是由于客觀條件逼迫的必要要做must只能用在表示現在和將來的句子里，而 have to do 可以用在任何時態3）must, may, might表示猜測： must do表示對現在事實的猜測 must have done 表示對過去事實的猜測 must have been doing 表示對過去正在進行的事實的猜測 may/might do, may/might have done表示沒有任何事實依據的猜測，might的可能性更小。 can'

31、 t/couldn ' t表示不可能14 need 用法： 表示“需要”時為實意動詞，后面可以加名詞，也可以加不定式：I need a pen. Do you need any beer No, I don ' t.I need to have a rest. Need doing=need to be done , 表示被動The flowers need watering. Need在否定時做情態動詞使用You needn' t go so early. =You don ' t need to go so early.Must I clean the de

32、sk right now No, you needn ' t.15不定代詞及不定副詞： Some any no every thing something anything nothing everything one someone anyone anything everyone where somewhere anywhere anywhere everywhere body somebody anybody nobody everybody1)I looked for my book everywhere, but I can ' t find it anywhere.

33、2)If you want go somewhere, if you want to be someone, you must wake up.3)Help! Somebody Anybody4)You are really something.5)Since everybody is here, let ' s begin our class.6)Where did you go I went nowhere.7)Nobody is at home.8)I have nothing left.16感嘆句：1) What +名詞+主語+謂語What a beautiful girl s

34、he is!2) How + 形容詞+主語+謂語How beautiful the girl is!17祈使句：祈使句表示請求，命令，建議，邀請等，謂語動詞一律用原型，句子中通常不用主語, 句末用驚嘆好或者句號，用降調?？隙ň鋭釉~原型例， Come here, please. Go downstairs, please. Stand up. Sit down. Be quiet.Be careful.祈使句中如果有喚語，一定要用逗號隔開，放在句首或者句尾Come in, Amy.Sit down here, Tom.Mary, give me a book please.否定：Don'

35、t+動詞原型Don't come here.Don' t sit down.Don' t stand up.Don' t give me it.let sb. doLet me pass.Let us have a rest.Let' s have a rest.反意疑問：Let' s have a walk along the river, shall we被問的人也同去Let us go out for a drink, will you被問的人不去18倒裝句：so/neither 的倒裝He can swim. So can I.I did

36、n ' t go to class. Neither did I.結構：so/neither+be+ 主語so/neither+ 助動詞+主語so/neither+ 情態動詞+主語一般現在時，do, does/am, is, are現在進行時，am, is, are一般過去時，did現在完成時，have, has一般將來時，will, shall,過去進行時， was, were過去完成時，had過去將來時，would19直接引語/間接引語如果引語的主句所用動詞為過去時，那么間接引語要做相應變化：時態，人稱，時間地點及指示詞1）時態變化：一般現在時-一般過去時現在進行時-過去進行時一般

37、過去時-過去完成時現在完成時-過去完成時一般將來時-過去將來時be going to-was/were going to/wouldcan-couldmay-might2）時間地點及指示詞的變化：here-there, tomorrow-the next day, the following day, this-that 3）人稱變化：根據句意改變人稱。4）直接賓語/間接賓語主語+及物動詞+間接賓語+直接賓語直接賓語是及物動詞的直接對象，間接賓語是及物動詞的動作所涉及的人或事務，也可以說間接賓語表示動作是對誰做的，或者是為誰做的。所以間接賓語要用名詞或者賓格代詞來擔當。He gives me

38、a book.me間接賓語，a book直接賓語to 或 for直接賓語和間接賓語的位置調換時要加一個介詞主語+及物動詞+直接賓語+介詞+間接賓語Give me a book.Give the book to me.Send his a letter.Send a letter to him.Show him the new dress.Show the new dress to him.20其他1）代詞及be動詞第一人稱第二人稱第三人稱單數復數單數復數單數復數主格 I we you you she/he/it they賓格 me us you you her/him/it them代詞所有格

39、 my our your your her/his/its their名詞性代詞 mine ours yours yours hers/his/its theirsbe 動詞現在時 Am are are are is arebe 動詞過去時 was were were were was were2）名詞的復數規則變化的名詞復數形式規則 1 一般情況 +s . shell shells toy 一 toys規貝 U 2 以 s, x, ch, sh 結尾+es .fox ffoxes church fchurches規貝U 3 以 o 結尾 s 或+es . radio fradios pota

40、to fpotatoes規則 4 以 f, fe 結尾的，變 f, fe 為 ves . life lives half hakes規則5以輔音字母+y結尾， 變y為i+es . sky 一skies study studies3）動詞的第三人稱單數形式規則 1 一般情況 +s . like-likes, look-100ks規貝U 2 以 s, x, ch, sh 結尾 +es . do-does, catch-catches規則 5 以輔音字母 +y 結尾， 變 y 為 i+es . carry-carries, fly-flies4）動詞現在分詞規貝U 般動詞力口 -ing . look

41、-looking, read-reading, play-playing規則二 以不發音的字母結尾的單詞去e加-ing . make-making, take-taking,arrive-arriving規則三 重讀閉音節詞結尾，即單詞中只有一個元音字母，其后緊跟一個輔音字母的詞,雙寫輔音字母再加 -ing e. g. run-running, sit-sitting, get-getting, swim-swimming,stop-stopping5）動詞過去式規則動詞變化規則 般動詞加-ed .look-looked, watch-watched, play-played規貝U二 以 e

42、結尾的力口 -d . make-maked, arrive-arrived規則三 以輔音字母加結尾的變y為i加-ed cry-cried, carry-carried規則四 重讀閉音節詞結尾，即單詞中只有一個元音字母，其后緊跟一個輔音字母的詞,雙寫輔音字母再加 -ed stop-stopped,過去式的讀音在清輔音后面（除外）讀/V . walked, jumped在濁輔音和元音后讀 /d/ . washed, watched在/t/ , /d/ 后讀/id/ . waited, hated6）形容詞和副詞的比較級比較級 規則一 一般加-er . high-higher規則二以結尾加-r ni

43、ce-nicer規則三 以輔音字母加y結尾，變y為i再加-er busy-busier,規則四 重讀閉音節結尾，雙寫輔音字母再加-er fat-fatter,形容詞和副詞的最高級最高級 規則一 一般加-est . high-highest規則二以結尾加-st nice-nicet規則三 以輔音字母加y結尾，變y為i再加-est busy-busiest規則四 重讀閉音節結尾，雙寫輔音字母再加-est fat-fattest7）常見縮寫：is= ' s I am=I ' m are= ' reis not=isn ' t/ iznt/ are not=aren &

44、#39; t /a:nt/do not=don ' t does not=doesn ' twas- s did not=didn ' t can not=can ' t have= ' ve has-' s have not=haven ' t has not=hasn ' t will= ' llwill not=won ' t shall not=shan ' t新概念一共144課，其中單課為課文，雙課為語法和練習。整本書是以單數課為正課，并附 帶有插圖而雙數課則是針對單數課所講的內容有針對性地進行練

45、習，從此出展現出整個新概念一教材區別于其他教材的獨特之處。以下是對新概念一整本教材的理解和剖析，以供各位對整個課本的理解和把握上參考和借 鑒。首先根據課本中出現的時態來分析：本冊書的語法出現層次性和規律性是很強的，首先我們先來整本書中都出了哪些時態， 這些時態的具體分布和講解時我們大家需要注意的遞進性。Lesson 31 34現在進行時Lesson 37 -40第一次出現 be going to的將來時Lesson 51 56 一般現在時Lesson 6776為一般過去式 Lesson 83-90為現在完成時 Lesson 91 96為一般 將來時(will) Lesson 117 118過去

46、進行時 Lesson 119 120過去完成時除去前面所有時態和句型所占據的76課我們一起來看一下以下的68課，每一課小的語言點，語法點都是在什么地方，應該用什么樣的方式來講解。在這里告訴學員新概念一的每一個單課的重點都是出現雙課的標題和課后的練習題里 面。Lesson1 2語言點：與陌生人說話或引起別人的注意。Excuse me. Yes Pardon Thankyou very much.語法點：主系表結構this為主語，名詞做表語1的一般疑問句以及它的肯定回答。Is this your handbag Yes, it is.Lesson 5 6 語言點：如何介紹別人。 This is M

47、iss Sophie Dupont. Nice to meet you.語法點：主語為第三人稱單數的主系表結構。 She is French. Heis German. It ' sa Volvo.(L6)a/an的使用。Lesson 78語言點：如何自我介紹和相互認識。語法點：主語為第二人稱的主系表結構。 Are you FrenchWhat nationality are you What' s your job特殊疑問句。Lesson 9 10 語言點：朋友或熟識的人之間如何相互問候。How are you 語法點：主系表結構形容詞做表語。介詞短語表示位置 near th

48、e window, on thetelevion, on the wallLesson 29-30語言點：如何發號命令。語法點：祈使句(肯定)。動詞與賓語的固定搭配。Lesson 37 38語言點：如何表達將要做的事情。語法點：現在進行時態 begoing to do 結構表達將要發生的事情。There be句型的一般疑問句形式。Lesson 41-42Lesson 63-64Lesson 65-66具體日期表達方式。Lesson 73-74容詞轉變成副詞。Lesson 77-78語法點：如何表示不可數名詞的量。語言點：建議忠告。語法點：don' t do . You mustn &#

49、39; t do語法點：具體時間表示法（半點和刻鐘）。反身代詞。語言點：問路。語法點：不規則動詞的過去式。形語言點：看病。語法點：綜合時間表達方式。Lesson 105-106語言點:do以及其否定形式。Lesson 103-104語言點:程度副詞 too, very ,enough辦公室用語。語法點：want sb to do- -./ tell sb to考試。語法點：賓語從句。（從句部分為非現在時態）Lesson 125-126語言點:Lesson 127-128語言點:否定猜測。Lesson 129-130語言點：去事情的肯定/否定猜測。Lesson 131-132語言點:/語法點：h

50、ave to do / don ' t need to do 娛樂界。語法點：must/can ' t對現在事情的肯定 /交通狀況。語法點：must/can' t have been -.對過度假。語法點：may對現在/過去事情的肯定或否定猜測。以下學的知識慢慢與新二接軌：現在完成時：Lesson 83 90直接引語變成間接引語： Lesson 99 102 形容詞的比較級和最高級：Lesson107 112 neither ,so的用法：Lesson 113 114 不定代詞的用法：Lesson 115116過去進行和過去完成時：Lesson 117120定語從句：L

51、esson 121 124情態動詞的綜合用法：Lesson 125 132直接引語變間接引語：Lesson 133-136 （著重講時態的倒推）if 的用法：Lesson 137-140被動語態：Lesson 141 144英語中的時態一共有八種，它們是：一般現在時、現在進行時、一般過去時、現在完成時、 一般將來時、過去進行時、過去完成時、過去將來時。今天我們所要講的就是第一種：一般現在時一一表示一般性，經常性的動作或一般性事實。1、含有 be 動詞的句子 He is a teacher. The girl is very beautiful. Tim and Jack are student

52、s.變疑問句將 be 動詞移到句首 Is he a teacher Is the girl very beautiful Are Tim and Jack students變否定句在 be 動詞后面力口 not He is not a teacher. The girl is not very beautiful. Tim and Jack are not students.目 te 回答及否 te 回答Yes, he is. / No, he is not. Yes, she is. / No, sheis not. Yes, they are. / No, they are not.2、不

53、含有be動詞的句子，即含有一般動詞的句子。(1)第三人稱單數及單數名詞He likesbones.變疑問句在句首加 does,動詞變為原型Does the dog like bones變否定句在主語及動詞之間加 doesn't, 化。 He doesn't like books. She bones.books. She likes him. The dog likesDoes he like books Does she like him動詞變為原型，原句中的動詞不再有第三人稱變doesn't like him. The dog doesn't like肯定回

54、答及否定回答：Yes, he does. / No, he doesn't. Yes, she does. / No,she doesn't Yes, it does. / No, it doesn't.注意：第三人稱單數形式一般在動詞后面加S,不要和名詞復數混淆，變否定句或疑問句時名詞復數沒有任何變化。(2)其他人稱及復數名詞I want to have a bath. We have some meat. The students like smart teachers.變疑問句在句首力口do Do you want to have a bath Do we hav

55、e any meat Dothe students like smart teachers變否定句在主語和動詞之間加don't. You don't want to have a bath. We don'thave any meat. The students don't like smart teachers.肯定回答及否定回答Yes, I do. / No, I don't. Yes, we do. / No, we don'tYes, they do. / No, they don't.現在進行時表示現在正在進行的動作構成：主語+

56、 be動詞+動詞的現在分詞+其它成分We are having lunch.He isreading a book. The dog is running after a cat. The boys are swimming across the river.變疑問句各 be 動詞移至U句首Are we having lunch Is he reading a book Isthe dog running after a catAre the boys swimming across the river變否定句在 be 動詞后面力口 not We are not having lunch.He is not reading abook. The dog is not running after a cat.The boys are swimming across the