新人教选修Unit语法讲解PPT学习教案.pptx
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1、会计学1新人教选修新人教选修Unit语法语法(yf)讲解讲解第一页,共26页。语态语态时态时态 主动形式主动形式 被动形式被动形式一般式一般式完成式完成式(not)doing(not)being done(not)having done(not)having been done第1页/共26页第二页,共26页。二二:V-ing 可作主语、宾语、表语可作主语、宾语、表语;定语、定语、状语和宾语补足语,但不能单独作谓语。状语和宾语补足语,但不能单独作谓语。V-ing 形式表示的动作与主要动词同形式表示的动作与主要动词同时发生或发生在主要动词之后,用其一时发生或发生在主要动词之后,用其一般式般式;V
2、-ing 形式表示的动作在主要动形式表示的动作在主要动词之前发生,用其完成时,在具体词之前发生,用其完成时,在具体(jt)应用中也常以一般式代替完成式。应用中也常以一般式代替完成式。第2页/共26页第三页,共26页。V-ing 的用法的用法(yn f):1.作主语 Swimming is good for health._(raise)your hat to a a lady is good manners.对一位女士(nsh)脱帽致敬是礼貌的。_(kill)by sharks in the sea is a common thing.RaisingBeing killed 第3页/共26页第
3、四页,共26页。注意:动名词和不定式都可以作主语(zhy),动名词作主语(zhy)表示一般或抽象的多次性行为,不定式作主语(zhy)往往表示具体的或一次性的动作。如:Playing with fire is dangerous.(泛指玩火)To play with fire will be dangerous.(指一具体动作)第4页/共26页第五页,共26页。2.2.作表语作表语作表语作表语(bioy)(bioy)Teaching is learning.Teaching is learning.教学相长教学相长教学相长教学相长 My hobby is _(make)My hobby is _
4、(make)model planes.model planes.What worried the child most was What worried the child most was _(not,allow)_(not,allow)toto visit his mother in the hospital.visit his mother in the hospital.makingnot being allowed第5页/共26页第六页,共26页。2).V-ing 2).V-ing形式和不定式都要有对称性形式和不定式都要有对称性形式和不定式都要有对称性形式和不定式都要有对称性;当主当
5、主当主当主语语语语(zhy)(zhy)是不定式时,表语也用不定式;是不定式时,表语也用不定式;是不定式时,表语也用不定式;是不定式时,表语也用不定式;反之,当主语反之,当主语反之,当主语反之,当主语(zhy)(zhy)是是是是 V-ing V-ing 形式时,形式时,形式时,形式时,表语也用表语也用表语也用表语也用 V-ing V-ing 形式。形式。形式。形式。ToTo see is see is toto believe.believe.=Seeing is believing.=Seeing is believing.注意注意(zh y)第6页/共26页第七页,共26页。3).Its n
6、o use(good)doing sth 3).Its no use(good)doing sth Its a waste of time doing sth Its a waste of time doing sth it it 作形式主语作形式主语作形式主语作形式主语(zhy),(zhy),只用只用只用只用V-ing,V-ing,不用不定式。不用不定式。不用不定式。不用不定式。It is+adj.+(for sb)It is+adj.+(for sb)toto do sth do sth It is no use crying over spilt milk.It is no use cr
7、ying over spilt milk.覆水难收。覆水难收。覆水难收。覆水难收。It is a waste of time _(talk)It is a waste of time _(talk)toto him.him.It is important for me _(learn)English.It is important for me _(learn)English.talking to learn 第7页/共26页第八页,共26页。3.3.3.3.作宾语作宾语作宾语作宾语 V-ing V-ing V-ing V-ing 形式既可作动词的宾语形式既可作动词的宾语形式既可作动词的宾语形
8、式既可作动词的宾语,也可作介词也可作介词也可作介词也可作介词(jic)(jic)(jic)(jic)的的的的宾语。宾语。宾语。宾语。We would appreciate hearing from you We would appreciate hearing from you We would appreciate hearing from you We would appreciate hearing from you 我们会珍惜你的来信。我们会珍惜你的来信。我们会珍惜你的来信。我们会珍惜你的来信。The bird escaped _ (catch).The bird escaped _
9、(catch).The bird escaped _ (catch).The bird escaped _ (catch).I feel like _(join)the army.I feel like _(join)the army.I feel like _(join)the army.I feel like _(join)the army.He was afraid of _ He was afraid of _ He was afraid of _ He was afraid of _ (abandon)by us.(abandon)by us.(abandon)by us.(aban
10、don)by us.being abandonedbeing caught joining 第8页/共26页第九页,共26页。注意(zh y):在 avoid,admit,appreciate,consider,delay,enjoy,escape,excuse,finish,forgive,imagine,mind,miss,practise,risk,suggest,give up,put off,feel like,insist on,instead of,look forward to,object to,keep on等后只接V-ing形式作宾语。第9页/共26页第十页,共26页。n
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