祈使句课件2021-2022学年人教版七年级英语下册
展开Let’s play a gameSimn says
Tuch yur nse.
Tuch yur eye.
Tuch yur ft.
Tuch yur hair.
Tuch yur muth.
Wear a mask!
Open the windw!
Wash yur hands!
Dn’t be late!
Dn’t talk in class!
二.句式特点:1.句子无主语(默认为yu)。2.句子开头是动词原形,否定句开头是Dn't+动词原型。
一. 定义:表示请 求、命令、劝说、警告、号召、禁止等意义的句子。
判断以下句子,哪些是祈使句。
We read English everyday.
D yur hmewrk n time.
Read English everyday.
Dn’t play cmputer games.
Drink sme water.
Dn’t stay up late.
We’d better d sme exercise.
以动词(Verb)原形开头。表示命令。
Be plite!Be quiet.
1. ________yur hands befre dinner. A. Washes B. Washing C. Wash D. T wash2. ______ brave , Jenny !Yu can make it.A. Is B. Des C. D D. Be3. Anna, ________ up,!It’s 7:30 .A. gets B. is getting C. get D. will get
以Dn’t+动词原形开头, 表示不要做某事。
Dn’t lk at me.Dn’t walk. Run.Dn’t say gdbye.
Dn’t be shy!
1. ______ late again.A. Dn't be B. Yu aren't C. Can't be D. Aren't2. Dn’t ____up t late.It’s bad fr yur health.A. stay B. stayes C. staying D. t stay 3. ______ get near t the fire. It is dangerus.A. Desn’tB. NtC. Dn’t D. Isn’ t
祈使句还有其他的款式吗?
以N开头,表示公共警示语,是祈使句的否定结构。
否定句:___+ ______或____其他
1. -Culd I g fishing here?-Yu’d better nt.Lk at the sign.“—————”A. Nt fishing. B. N fishing.C. Dn’t fishing. D. D fishing.2. ______ cheating(作弊).A. N B. Dn't t C. Dn't D. Be nt3. There is a sign “____ fd r drinks”in the library. A. N B. Dn't t C. Dn't D. Be nt
总是以Let开头,表达请求或建议。
Let’s play basketball.(Let’s=Let us)Let me help yu.
Let肯定句:____+宾格+_________+其他.
Let sb. d sth.的否定形式呢?
Let’s play basketball. Let’s nt play basketball.Let him help yu. Dn’t let him help yu. bas
Let否定句:Let sb. nt d sth.
Dn 't let sb. d sth.
1.Let’s ____basketball in streets.A. plays B. play C. nt play D. playing2.Let the girl _______ jin ur music club.She is t lazy.A. nt B. dn't C. desn't D. n3. ______let yur parents B. Dn't C.D D. Nt.
看以下标志,将其与对应的指令相匹配。
Lk and match.
______ 1) Be careful with the wet flr.______ 2) Please dn’t knck n the dr.______ 3) Wash yur hands prperly. ______ 4) D nt enter.
Please make rules fr yurself.
What can yu d at hme?
What can’t yu d at hme?
1. Dn't be laze.2. Dn't play cmputer games.3. Dn't stay up late.4. Dn't be late fr nline class.
1. Get up early.2. D hmewrk n time.3. Wear masks when ging ut.4. Help yur mther with husewrk.
1.无主语(默认为yu)
2. 开头:动词原形/Dn’t+动词原形
3. 可加please,表委婉
1. D 型(动词原形开头)
2. Be型(Be+adj.)
3. Let 型(Let sb.d sth.)
1. Dn't 型(Dn't +动词原形)
2. N型(N+V.ing/n)
3. Let 型(Let sb. nt d sth./Dn’t let sb d sth.)
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