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1、初中英語(yǔ)――祈使句祈使句指的是表示命令、請(qǐng)求、建議或勸告的句子。其主語(yǔ)you常省略,謂語(yǔ)動(dòng)詞用原形,句末用感嘆號(hào)或句號(hào),讀降調(diào)。1.肯定的祈使句(1)動(dòng)詞原形+其他Standup,please.=Pleasestandup.請(qǐng)起立。(2)Be+n./adj.Beagoodboy!要做一個(gè)好孩子!Becareful!=Lookout!=Takecare!小心/當(dāng)心?。?)Let+賓語(yǔ)+動(dòng)詞原形+其它成分Letmehelpyou.讓我來(lái)幫你。Let’sgotoschooltogether.咱們一起上學(xué)去吧。2.否定的
2、祈使句(1)Don't+動(dòng)詞原形Don'tstandup.別站起來(lái)。Don'tbecareless.別粗心。Don'tletthemplaywithfire.別讓他們玩火。(2)Let型的否定式有兩種:“Don't+let+賓語(yǔ)+動(dòng)詞原形+其它成分”和“Let+賓語(yǔ)+not+動(dòng)詞原形+其它成分”。Don'tlethimgo./Lethimnotgo.別讓他走。Letthemnotplaywithfire.別讓他們玩火。(3)no開(kāi)頭,用來(lái)表示禁止性的祈使句。Nosmoking!禁止吸煙!Nofishing!禁止釣
3、魚(yú)!3.祈使句的強(qiáng)調(diào)形式,通常在肯定祈使句式前加上助動(dòng)詞Do。例如:Doshutup!快住口!4.祈使句的回答祈使句的動(dòng)作通常是表示將來(lái)發(fā)生的動(dòng)作,所以回答祈使句時(shí),一般用will或won’t。在回答具有否定意義的祈使句時(shí),要注意兩點(diǎn):1)形式一致(即Yes與will保持一致;No與won’t保持一致)2)意思相反(即Yes是“不”的意思;No是“是”的意思)。在回答時(shí),要注意分析上下文語(yǔ)境中所提供的條件。如:---Don’tgoout,please.It’srainingheavilyoutside.請(qǐng)不要出去
4、。外面雨下得很大。----Yes,Iwill.Ihavetomeetmybrotherattheairport.不行,我得去機(jī)場(chǎng)接我弟弟。5.祈使句的反意疑問(wèn)句(1)肯定祈使句的反意疑問(wèn)句反問(wèn)部分用willyou或won'tyou。Pleaseopenthedoor,will/won’tyou?請(qǐng)把門(mén)打開(kāi),好嗎?(2)否定祈使句的反意疑問(wèn)句反問(wèn)部分只用willyou。Don'tbelateagain,willyou?別再遲到了,行不行?(3)以let's開(kāi)頭的祈使句反意疑問(wèn)句反問(wèn)部分用shallwe。Let'st
5、urnontheTV,shallwe?我們把電視打開(kāi),好嗎?<特別注意>只有以let's開(kāi)頭的祈使句的反意疑問(wèn)句的反問(wèn)部分才用shallwe,而letus開(kāi)頭的祈使句的反意疑問(wèn)句的反問(wèn)部分應(yīng)為willyou或won'tyou.如:Letusstayhere,will/won'tyou?請(qǐng)(你)讓我們留在這好嗎??一.用括號(hào)內(nèi)所給動(dòng)詞的適當(dāng)形式填空。1.It’sanimportantmeeting._________________(not,be)late.2.________________(not,make)a
6、nynise!Yourmotherissleeping.3.________________(not,speak)withyourmouthfulloffoodand_________(be)polite.4.________________(not,talk)and____________(read)aloud.5._______________(not,leave)yourhomeworkfortomorrow,Larry.6.________________(look)out!Acariscoming.7.
7、_______________(give)ustenyearsandjustseewhatourcountrywillbelike.8.________________(not,let)thebabycry.9.Wearmoreclothesoryou____________(catch)acold.10.Let’s_______________(not,say)anythingaboutit.二、單項(xiàng)選擇1.TheTVistooloud.Please________.A.turnitdownB.toturnit
8、downC.turndownitD.toturndownit2._______lateagain,Bill!A.Don'ttobeB.Don'tbeC.NotbeD.Benot3._______crosstheroaduntilthetrafficlightsturngreen.A.NotB.Won'tC.Doesn'tD.Don't4.Pleasehelpmecarry