人教版英語七年級下冊I’mwatchingTV.(SectionAGrammarFocus)

Unit6Anappleadaykeepsthedoctoraway.Heisdrinking.Whatishedoing?Whatisshedoingnow?Sheisridingabike.結論：當我們描述一個正在發生的動作要用現在進行時。現在進行時：定義：表示現在（說話瞬間）正在進行或發生的動作。例句：Youarelisteningtomenow.也表示當前一段時間內的活動或現階段正在進行的動作。例句：Heiswritingabookthesedays.現在進行時結構：Be動詞（is/am/are）+動詞-ing即：be+doing現在進行時一、現在進行時肯定句的構成：肯定句：主語+am/is/are+v-ing...例子：Iam

eating.You/We/They

are

eating.He/She/Itis

eating.主語+be動詞+動詞ingThehorseisrunning.Heiswalkingtoschool.Theplaneisflying.現在進行時否定句的構成：否定句：主語+am/is/arenot+v-ing...例子：Iam

not

eating.You/We/They

are

not

eating.He/She/Itisnot

eating.否定全寫=縮寫isnot=isn’tamnot=’mnotarenot=aren’tHeisnotdrinkingwater.Heisdrinkingsomejuice.Theyaretakingpictures.TheyarenotwatchingTV.練習：按要求用正確形式填空：1.John

（watch）TVnow.(肯定句)2.Look!

Thestudents

(listen)totheteacher.（否定句）3.I

(write)abookthisyear.（肯定句）4.Theboy

(draw)apicturenow.(否定句)5.Listen.Somegirls

(sing)intheclassroom.(肯定句)

思考：為什么要用現在進行時？標志詞：now,look,listen.強調正在進行。iswatchingarenotlistening

amwritingisnotdrawingaresinging二、動詞ing形式的構成：大多數動詞+ingthink-thinkingtalk-talkingcook-cooking以不發音e結尾的動詞-e+ingtake-takingmake-makingwrite-writing以ie結尾的動詞-ie+y+inglie+lying(躺）tie-tying（系，打結）某些以“一個元音字母+一個輔音字母”結尾的動詞雙寫輔音字母+ingrun-runningswimming-swimmingget-getting寫出下列動詞的現在分詞形式read--cook--dance--make--sit--run--lie--look--paint--write--taste--get--swim--tie--readingcookingdancingmakingsittingrunninglyinglookingpaintingwritingtastinggettingswimmingtying考點精練：

1.Theboys

(draw)apicturenow.2.Listen.Thegirl

(sing)intheclassroom.3.Mymother

(cook)somenicefoodnow.4.What

you

(do)now?5.Look!They

(have)anEnglishlesson.6.They

(not,water)theflowersnow.7.Look!Thegirls

(dance)intheclassroom.8.Whatisourgranddaughterdoing?--She

(listen)tomusic.9.It's5o'clocknow.We

(have)suppernow10.Helen

(wash)clothsnow.iscookingdoing

arearedancingarehavingiswashingaredrawingissingingarehavingarenotwateringislistening三、現在進行時一般疑問句的構成及回答：Youaredrawingnow.

Areyoudrawingnow?Yes,Iam.(肯定回答)No,Iamnot.(否定回答)Heishavingashower.

Ishehavingashower?Yes,heis.No,heisn't.結構：Be動詞+主語+動詞-ing.規律：將be動詞移到主語前面。Youaretakingabus.Areyoutakingabus?Yes, weare.Theyareflying.Aretheyflying?Yes,theyare.練習：1.Theyaredoingtheirhomework.一般疑問句：___________________________否定回答：_______________________________2．Thestudentsarecleaningtheclassroom.一般疑問句：__________________________________肯定回答：_____________________________________3．Heisplayingthefootballintheplayground.一般疑問句：__________________________________肯定回答：_____________________________________Aretheydoingtheirhomework?No,theyaren’t.Arethestudentscleaningtheclassroom?Yes,theyare.Isheplayingthefootballintheplayground?Yes,heis.特殊疑問句Areyoudoingyourhomework?Whatareyoudoing?Whyareyoudoingyourhomework?Whereareyougoing?結構：疑問詞+be動詞+主語+V-ing(what,where,why,when,how)練一練：句型轉換：

1.Theyaredoinghousework.一般疑問句：______________________否定句：_______________________

2．Thestudentsarecleaningthehouse.

一般疑問句：__________________否定句：_________________

3．I’mplayingthefootballintheplayground.(對劃線部分進行提問)

.

4．Tomisreadingbooksinhisroom.(對劃線部分進行提問)