人教版英语选修七第一单元语法 PPT课件

think/consider/ find/feel/believe
+ it + adj./ n.+(for sb.)+ to do
susptpho.se/ make
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4. 不定式作宾补 (Object Complement)
1) 带to的不定式作宾补 结构V：.+sb.+to do
动词: allow, order, force, permit, tell, want, wish, forbid, advise, persuade, warn等后皆带 ______作宾补。
• What I’ll do is (to) tell her the truth.
• All he did just now was (to) complete the form.
P.S:当主语含有_d_o__的__某___种__形__式_，作表语的不定式可省略
____t.o
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3. 不定式作宾语 (Object)
threaten, want, wish r!
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动词不定式(Infinitive) • 由 “ to + do ” 构成, 否定形式no__t_t_o___d_o____ • Functions of Infinitive:
主语、表语、宾语、宾补、定语、状语
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1. 不定式作主语 (subject)
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5. 不定式作定语 (Attribute)
• Could you lend me a pen _t_o__w__r_i_t_e__w__it(hwrite)? • He is looking for a room __t_o__l_iv__e_i_n_____(live). • Please pass me some paper _t_o__w__r_i_t_e__o(nwrite).
2)不带to的不定式作宾补:
He ma被de动a语fa态ce and made us laugh. He made a face and we _w_e__r_e__m__a_d__e__t_o__l_a.ugh
类似用法的动词还有：
• 使役动词make, have, let; • 感官动词see, watch, observe, hear, listen
I decided to ask for my money back.
• It 作形__式__宾___语_：
我觉得他不可能在这么短的时间内完成任务。
I feel it impossible for himt_o__f_in__is__h__t_h_e__j_o_bin such a short time.
to, not若ice上述结构变为被动语态, to要还原。 7
1. They saw the boy fall suddenly from the tree.
The boy was seen to fall suddenly from the tree.
2. Mother made John wash the car for a we John was made to wash the car for a wee
• 单个不定式作主语时，谓语动词用_单__数___。 • 若不定式太长，通常将其放句后，而用it作________。
形式主语
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பைடு நூலகம்
2. 不定式作表语 (Predicative)
• What I would suggest is to put off the meeting.
• To see is to believe. = Seeing is believing.
To finish this report took him a week. 眼见为实。 To see is to believe. = Seeing is believing. It’s impossiblef_o_r___ humans to fly like a bird now. It’s politeof____ you to greet everyone.
主语为不定式，表语也需为不___定__式__.
• 我的工作是要帮助病人。
• My job is_t_o__h_e__lp___t_h_e__p_a_.tients
• 不定式常用在系动词 be, seem, appear, get, remain等后作表语．
• The only thing to do now is (to) go on.
dare, decide, demand, deserve,
determine,
expect, fail, get, guarantee,
hate, help, hope, hurry, intend, learn,
long, manage, offer, plan, prepare,
pretend, promise, refuseR, esememe,mtebned,
M7U1 Living well
Grammar (the infinitives)
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Which verbs can be normally
followed by the infinitive?
afford, agree, appear, arrange, ask,
attempt, choose, claim,
若to do与被修饰的词为_动__宾__关系时， 不定式 后介词不可省。
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5. 不定式作定语 (Attribute)
1. Autumn is the best time to travel. 2. She is always the first to come and the last to leave.
P.S：当名词被the first ,the last等序数词以 及adj.最高级修饰时，通常用不定式作定语。
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something, anything, nothing, everything 等不定代词常用不定式做
后置定语。 Do you have anythintog _s_e_n__d____(send) ? I have nothingt_o__s__a_y___(say) .