七年級英語下冊 Unit 4 Don’t eat in class（第2課時）Section A（Grammar Focus-3c）課堂練習 人教新目標版

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1、七年級英語下冊 Unit 4 Dont eat in class（第2課時）Section A（Grammar Focus-3c）課堂練習 人教新目標版一、祈使句1含義：祈使句是用來表示請求、命令或建議等的一種句型。其主語一般為第二人稱you，但通常省略。祈使句的句末一般用句號，表示較強語氣時用感嘆號。為了使祈使句顯得更委婉、有禮貌，可在開頭或結(jié)尾加上please。2祈使句的五種類型Do型祈使句實義動詞原形其他Listen to me，please.請聽我說。Be型祈使句be動詞其他Be quiet，please.請安靜。Let型祈使句Letsb.動詞原形其他Lets play footbal

2、l.讓我們踢足球吧。Please型祈使句Please動詞原形其他Please stand up.請起立。Please dont stand up.請不要起立。No型祈使句Noving/名詞！(表示禁止)No smoking!禁止吸煙！No photos!禁止拍照！3.祈使句的否定形式通常是在謂語動詞前加dont。但要注意以let開頭的祈使句，其否定形式是 “Dontlet賓語動詞原形其他”或“Let賓語not動詞原形其他”。4對祈使句的基本回答：(1)A：Tom, take the box to Mr.Wus office.B：肯定回答Yes, I will.否定回答Sorry, I cant

3、 carry it.(2)A：Dont listen to music in class.B：No, I wont.(用于自己之前沒做過，同時也表明自己今后也不會做時)或Sorry, I wont do it in future.(用于自己犯錯，被別人禁止時)(3)A：Lets go out for a walk.(“Lets do sth.”常用于提出建議)B：肯定回答Thats a good idea.或That sounds good.(直接表示贊同)否定回答Oh, no.Its too hot.或Oh, no.Lets watch TV at home.(可用“No”作否定回答，并適當

4、解釋或提出自己的見解)祈使句一般要對方去做的動作是在將來發(fā)生?？隙ɑ卮饡r常用“Yes, I will”；否定回答時常用“No, I wont”等。will為“將要”之意，wont為will和not的縮寫形式，為“將不；將不會”之意。二、情態(tài)動詞can與have to1can能；會(1)表示做某事的能力，其否定式為cant。如：Can you speak English?你會講英語嗎？(2) 表示“允許；許可”。如：You can keep the book for a week.這本書你可以借一周。2have to必須；不得不其后接動詞原形。have to有第三人稱單數(shù)形式，即has to，變

5、疑問句和否定句時要借用助動詞do/does。如：We have to go home after school.我們放學后必須回家。.用括號內(nèi)所給單詞的適當形式填空。1_Dont_play_(not play) with fire(火)2Dont _run_(run) in the classroom.3Let him _not_play_(not play) the puter games.4Can we _eat_(eat) here?5Do you have to _go_(go) to bed before ten at night?.根據(jù)漢語意思完成句子，每空一詞。1到這兒來。_e_

6、 _here_2別在走廊里跑。_Dont_ _run_ in the hallways.3快點！_Be_ _quick_！4不要在這兒吃東西。_Dont_ _eat_ here.5讓我們騎自行車到那兒吧。_Lets_ _ride_ the bike to get there.按要求完成下列句子，每空一詞。1Lily can play the guitar.(改為一般疑問句并作否定回答)_Can_ Lily _play_ the guitar?No , she _cant_2Jack has to play the piano every weekend.(改為一般疑問句)_Does_ Jack

7、 _have_ _to_ play the piano every weekend?3Be quick.(改為否定句)_Dont_ _be_ quick.4You cant eat food in class.(改為祈使句)_Dont_ _eat_ food in class.5You cant be late for class next time.(改為祈使句)_Dont_ _be_ late for class next time.單項選擇。(C)1._ listen to music in the classroom.ANot BNoCDont DDoesnt(A)2.Tom，plea

8、se _ the classroom now.Aclean Bto cleanCcleans Dcleaning(A)3.Lets _ on time for classes.Abe Bbe notCare Dis(B)4.She has to _ her homework every night.Adoes BdoCdoing Ddid(A)5.Sorry，you _ play basketball in the classroom.Acant BdontCdont have to Ddoesnt.選詞填空。閱讀短文，從方框中選擇適當?shù)脑~并用其正確形式填空，使短文通順、意思完整。每詞限用一次

9、。fightdirtydishrulebeforefollowoutsidekeeponepracticeDear Sam，Here are some _1_ for you when your dad and I are not at home._2_， get home early.Dont play _3_ after school.Second，take care of(照顧) your brother and dont _4_ with him.Third, help your grandma do the _5_ after dinner.Fourth，remember to _6

10、_ the piano for one hour every evening.Fifth，go to bed _7_ 10 oclock.The last one, _8_ your room clean and dont leave your _9_ clothes everywhere.Your dad and I will be very happy if you can _10_ the rules.1_rules_2._First_3._outside_4_fight_5._dishes_6._practice_7_before_8._keep_9._dirty_10_follow_