初中英语牛津译林版八年级下册Unit 4 A good readGrammar优秀课件ppt
展开1.你决定如何处理这些书了吗?Have yu decided what t d with these bks?2.我也不知道该说什么。I didn’t knw what t say either.3.我不知道如何逃脱。I didn’t knw hw t get away.
Lk at the fllwing sentences.
Sme dgs just dn’t knw hw t have fun. (七上 U4)2. I’m thinking abut what t wear. (七上U8)3. Eddie, I think we have t g up again. (七下 U4)4. We dn’t have t feed her much. (七下 U8)5. Have yu decided what t d with these bks, Hb? (P48) 6. I did nt knw what t say either. (P51)7. “I must run away frm them,” I thught, but I did nt knw hw t get away. (P51)
我们可以用“疑问词 + 动词不定式”结构作动词的宾语。疑问词包括疑问代词wh, what, which及疑问副词when, hw, where等。常和“疑问词 + 动词不定式”结构连用的动词和动词短语有:tell, shw, think, learn, knw, wnder, decide, remember, frget, understand, see, hear, ask, advise, explain, find ut等。
Using questin wrds + t-infinitives
Andy desn't knw __________.(wear)
what t wear
Millie can’t decide _____________.(buy)
which bk t buy
They dn’t knw ___________ t the statin.(g)
Millie has decided_______________. (该读什么) Daniel did nt say _________________abut this bk.(该和谁交谈)Simn frgt __________________his friends. (该什么时候见)Kitty cannt decide _________________ first.(该选哪一个)Sandy is wndering ___________________fr help.(该去哪求助)Amy des nt knw _______________the reprt. (该如何写)
Grup wrk 1
what t read
wh t talk t
when t meet
which t chse
where t ask
1.Mr Wu _________________________________as after-schl activities. (建议我们该选哪个)2.The students ______________________________their wrk.(问他们的老师何时上交)3.Millie ____________________________.(向我们展示下一步如何做)4.Daniel __________________________a cmputer t draw.(教他自己如何使用)5.Dn’t frget t _________________________yu.(告诉你妈妈该在哪见)
Grup wrk 2
advised us which t chse
asked their teacher when t hand in
shwed us what t d next
taught himself hw t use
tell yur mum where t meet
“特殊疑问词+不定式”可直接放在上列动词后,也可以置于上列动词的宾语后,即双宾语。
advise, ask, decide, discuss find ut, frget, knw, learn remember, say, shw, teach think, understand, wnder
Grup discussin 1“特殊疑问词+不定式 ”可放在哪些动词后?
Suzy will explain why t recmmend this bk. Suzy will explain why she recmmend this bk.
所有疑问词中,只有why不可以与动词不定式连用。
Grup discussin 2
They are discussing which clr t paint the walls. Yu can ask yur parents hw much mney t take with yu.结论3:有些疑问词,如what, which, whse, hw many, hw much等,其后可以先接一个名词,再接动词不定式。
Grup discussin 3
Suzy was nt sure wh t ask fr help.Are yu clear when t meet at the gate tmrrw?结论4:在“疑问词 + 动词不定式”结构前,有时也可以是如sure, clear等的形容词
Grup discussin 4
Check the answers P55
1.which t read2.where t find3.hw t travel4.when t hand in5.what t write abut6.wh t ask fr
Grup discussin 5-1
1.What schl rules d we have? What must we d? What mustn’t we d?
1.We must wear schl must get t schl n must keep quiet in the mustn’t thrw rubbish mustn’t pick flwers in the garden.
Grup discussin 5 -2
2.If yu are ill and the dctr asks yu t stay at hme, what will yu have t d?
1.I will have t ask fr leave and stay at hme.2.I dn’t have t g t schl.
1.must 表主观的义务和必要,主要用于肯定句和疑问句,“必须,得,要”。e.g. Yu must finish yur hmewrk tday. 你今天必须完成家庭作业。must 的否定形式must nt表示禁止,“不能,不行”。e.g. Yu must nt smke here. 你不准在这里抽烟。
2. have t 表一种客观的需要,“不得不”。 have t 有人称和数的变化。e.g. It is getting dark. He has t g hme nw. 天快黑了,你现在得回家了。have t 的否定形式d nt have t, 相当于need nt 。e.g. They d nt have t buy a cmputer at the mment. 他们目前没有必要买电脑。
3. must 还可以表示肯定猜测,意思是 “一定” 。否定的猜测是can’t。e.g. Yu must be hungry after all that walking. 走了那么远的路,你一定饿了吧。 That can’t be Lucy. She has gne t American. 那肯定不是Lucy,她已经去了美国。
Grup discussin 6
What rules must we bey when we are in the library?must / mustn’t/ have t/ dn’t have t
Check the answers P56
’t4.mustn’ t7.dn/’t have t
(二)1;where t g 2; when t have a meeting (三);which shuld I chse 二、1、mustn’t 2; can’t be 3; dn’t have t 三、1.; nt t smke ;advised us nt t ;advised they culdn’t ;ging
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