祈使句英語語法知識點(diǎn)梳理匯總

祈使句1、定義：祈使句是用來表示請求、命令、勸說、號召、警告等的句子。在祈使句中，通常省略第二人稱主語you，以動詞原形開頭。句末一般用句號；表示較強(qiáng)語氣時，則用感嘆號。2、類型：1、V型：動詞原形+其他2、Be型：Be+形容詞3、Let型：Letsb+其他4、No型：No+v-ing/n3、注意：①表示委婉、客氣時，常加please(可放句首，句末<用逗號隔開>)②祈使句的否定形式：一般在句首加don’t③Let型的祈使句變否定句，可在句首加don’t,或在動詞原形前加not.4、祈使句用法口訣祈使句，祈使句，請求命令或建議。主語是you常省去，動詞原形開頭記。否定形式加Don’t，Let否定有兩種。想更客氣please,句首句末沒關(guān)系。練習(xí)I.用括號內(nèi)所給動詞的適當(dāng)形式填空。1.It’sanimportantmeeting.______(not,be)late.2._______(not,make)anynoise!Yourmotherissleeping.3._______(not,speak)withyourmouthfulloffoodand_____(be)polite.4.______(not,talk)and_______(read)aloud.5.____(not,leave)yourhomeworkfortomorrow,Larry.6._____(look)out!Acariscoming.7.______(give)ustenyearsandjustseewhatourcountrywillbelike.8._______(not,let)thebabycry.9.Let’s_____(not,say)anythingaboutit.II.選擇填空(

)1.Herdoctorsaid:“________worksohardAStop

BDon’t

CCan’t

DNo(

)2.Cindy,______tobehereat8o’clockAissure

Bissurethat

Cwillbesure

Dbesure(

)3._______whenyoucrosstheroadADocare

BCare

CBecareful

DTobecareful(

)4.________himthesecret,willyou？ADon’ttell

BNottotell

CNottelling

DNotelling(

)5.________inbed.It’sbadforyoureyes.ANottoread

BDon’tread

CDon’ttoread

DNotread(

)6.________yourchild.We’lllookafterhim.ANottoworryabout

BDon’tworryaboutCNotworryfor

DDon’tworrywith(

)7.______tellalie.AHardly

BNot

CNo

DNever(

)8.Please____