1、 Unit 3 Grammar 2不定式不定式不定式做主語不定式做主語To work hard at every lesson is our duty.=Its our duty to study hard at each lesson.例例1. _ makes me happy to find the key.A. That B. It C. What D. Whether解析：不定式做主語，常用解析：不定式做主語，常用“it”作為形式主語放于句作為形式主語放于句首。首。常見句型有常見句型有It is +adj. +(for/of sb.) +to do sth. 例例4 The purpo

2、se of new technology is to make life easier, _ it more difficult.A. not make B. not to make C. not making D. do not make.不定式不定式解析：在解析：在purpose, dreampurpose, dream后常跟不定式，后常跟不定式，the purpose is to/not to do the purpose is to/not to do 句型，故選句型，故選B B 。不定式做表語不定式做表語不定式不定式解析：解析：有一些動詞后可以跟不定式做賓語。有一些動詞后可以跟不定式

3、做賓語。agree, decide, hope, prepare, learn, promise, try, want, plan, refuse, remember, forget不定式做賓語不定式做賓語We refuse to go to internet bar.He hopes _ to college.A. to go B. go C. goes D. going 不定式不定式不定式做賓補不定式做賓補 大多數的動詞可接不定式短語做賓補，如大多數的動詞可接不定式短語做賓補，如:ask, tell, allow, want, order, warn, remind。一些動詞接不帶一些動詞

4、接不帶to的不定式做賓補的不定式做賓補.如：如：let, make, have, see, hear, notice, watch. help既可以跟帶既可以跟帶to不定式又可跟不帶不定式又可跟不帶to的不定式做的不定式做賓補賓補例例5: We dont allow students_ the books out.A. taking B. to taken C. take D. to take解析：解析：不定式不定式不定式做定語不定式做定語例例3: You are the third one _ the room.A. to enter B. entering C. entered 解析：不定

5、式做定語時要后置解析：不定式做定語時要后置注意：注意：I need a pen to write with.(不及物動詞要加介詞不及物動詞要加介詞)不定式不定式不定式作狀語不定式作狀語例例6：I got up early to catch the bus. He is too young to go to school. I am happy to meet you.A. Adverbial of purpose B. Adverbial of result C. Adverbial of reasonACB不定式不定式例例9The patient was told _ oily food a

6、fter the operationThe patient was told _ oily food after the operation.A. to eat not B. eating not C. not to eat D. not eatA. to eat not B. eating not C. not to eat D. not eat 解析：解析： 動詞不定式的否定形式動詞不定式的否定形式 warn/tell sb. not to do sth. not 應放在應放在to之前。之前。不定式的不定式的否定形式否定形式P50 Part A1, A2We can use a wh- w

7、ord with a to-infinitive after a verb.See the examples on P51 B. what when why where who whom whose how - content - time - reason -place - people - people (object) - belong to - ways wh- word1) She hasnt told me what I should do and what I should not do. She hasnt told me _ _ _ and what _ _ _.2)-Hav

8、e you decided which dress you will take? -Have you decided _ dress _ _ ? what to donot to dowhichto take1. how to solve2. what to do3. when to work4. when to play Finish the exercise on P51.Check your answers.5. how to achieve6. which to do7. who to talk8. where to get We can use these verbs before

9、a wh- find out forget hear know learn remember see tell understand word with a to-infinitive. ask decide explainMillies diaryMr. Friend is really kind and helpful. Many students ask him _ to solve their problems. He always tells them _to do. Most students cant decide when_(work) and when _(play). I

10、also donot know how_(achieve) a balance.I dont know which_(do) first. I wantto know _(和誰談和誰談) and _(怎樣獲得幫助怎樣獲得幫助).He offered me some advice. They are really_(有價值的有價值的). howwhatto workto playto achieveto dowho to talk tohowto get helpvaluable1. I want to know how I can solve the problem. I want to kn

11、ow how_2. I cant decide when I should do homework and when I can spend time on hobbies. I cant decide _and _3. Please tell me where we will meet. Please tell me _. 將下列句子變為簡單句：將下列句子變為簡單句：to solve the problem.when to do homeworkwhen to spend time on hobbies.where to meet.1. I remember what to do next.

12、 I remember_.2. I asked him who to ask for help. I asked him_. 3. They havent decided who to write to. They havent decided_ _. 將下列句子變為復合句：將下列句子變為復合句：what I should do nextwho I could ask for helpwho they willwrite toStatements(positive/negative) 陳述句陳述句Questions疑問句疑問句Imperatives祈使句祈使句Exclamations感嘆句感嘆

13、句QuestionsStatementsExclamationsImperatives疑問句疑問句祈使句祈使句感嘆句感嘆句陳述句陳述句1) 陳述句陳述句(Statements)：說明一個事實：說明一個事實或陳述一種看法。例如：或陳述一種看法。例如： Light travels faster than sound. 光比聲傳播速度快。光比聲傳播速度快。(說明事實說明事實) The film is not interesting at all. 這部電影一點也不有趣。這部電影一點也不有趣。(說明看法說明看法)2) 疑問句疑問句(Questions):提出問題。有提出問題。有以下四種：以下四種：a.

14、 一般疑問句一般疑問句(General Questions): Can you finish the work in time? 你能按時完成工作嗎？你能按時完成工作嗎？b. 特殊疑問句特殊疑問句(Wh-Questions): Where do you live?你住哪兒？你住哪兒？c. 選擇疑問句選擇疑問句: Do you want tea or coffee? 你是要茶還是要咖啡？你是要茶還是要咖啡？ Which do you prefer, tea or coffee?d. 反意疑問句反意疑問句(Tag-Questions): He doesnt know her, does he? 他

15、他不認識她，對嗎？不認識她，對嗎？3) 祈使句祈使句(Imperatives): 提出請求提出請求,建議建議或發出命令。例如：或發出命令。例如： Dont be nervous!別緊張！別緊張！ Come here! 到這兒來到這兒來!4) 感嘆句感嘆句(Exclamations):表示說話人驚表示說話人驚奇、喜悅、憤怒等情緒。例如奇、喜悅、憤怒等情緒。例如: What good news it is!多好的消息啊！多好的消息啊！ How good the news is! 1) The clever boy can speak English well. (改成一般疑問句改成一般疑問句否定句

16、否定句)2) Max felt stressed and angry from time to time last week. (對劃線部分提問對劃線部分提問)按要求改寫下列句子按要求改寫下列句子Can the clever boy speak English well?The clever boy can not speak English well. How did Max feel from time to time last week? 3) Please turn off the lights. (改成否定句改成否定句) 4) We often use yellow statione

17、ry when we study for exams.(改成祈使句改成祈使句) Dont turn off the lights, please!Use yellow stationary when you study for exams!5) The room looks very calm and peaceful. (改成感嘆句改成感嘆句)6) All of my classmates had a wonderful time last night. (改成感嘆句改成感嘆句)How calm and peaceful the room looks!What a wonderful time all of my classmates had last night!1. What a beautiful today!2. We have a new English teacher this term.3. I did not play for a long time.4.