完整版专四英语语法考点分析解析
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考点4:it is (high/about) time that的结构中,从句使用一般过去式。例如
考点5:畭档愠屳尽管,虽然 引导让步状语从句,从句中用would have done表示假设。
考点6:if only, wish, as if/as though引导从句,
与过去事实相反:doing(做…是没有理由的)
考点1:不定式
(1)考察哪些动词接不定式;
(2)考察哪些短语接不带to的不定式;
Had better/had best
Would rather/would rather…than/rather than/would sooner/would sooner…than
Cannot but/ca nnot help but/do nothing but/do nothing besides/do nothing tha n
与现在事实相反:动词过去式;
与将来事实相反:could/would+do
考点7:would rather/sooner
使用一般过去式或过去完成式
分别表示对现在或过去的虚拟
语法考点之二:情态动词
*情态动词:will(愿意),shall(将),must(必须),can, may, would, should (应该),might, could, ought to, used
4、错综条件句:主句与从句的动作发生在不同的时间段。
比如:从句对过去虚拟,而主句对现在虚拟,即从句sb had done,主句sb would(should, could,
might)+do;
考点2:表示建议、要求、命令等动词女口in sist, order, comma nd, suggest, advise, propose,
to(过去常常),need(需要),dare(竟敢),have to(不得不)
考试中,情态动词部分重点测试以下内容:
(1)情态动词+行为动词完成式(表示推测)
(2)某些情态动词的特殊用法
考点1.情态动词+have+过去分词结构表示推测
⑴must have do ne表示推测过去某事"一定”发生了。否定形式为:can't/could n't have v -ed,表
⑶cannot…too/enough表示“无论怎么也不算过分”、“越越好”
⑷may/ might as well+动词原形”意为“最好,满可以,倒不如”,相当于had better
(5)may well+动词原形”,意为“(完全)能,很可能”
(6)may as well as还是…好了
语法考点之三:非谓语动词
示过去不可能发生某事。
⑵could have done表示推测过去某动作"很可能”发生了。
⑶may/might have done表示推测过去某事"也许”发生了
⑷ought to/should have done和ought n ot to/should n't have do ne用于对已发生的情况表示"责
考点1. If从句中的虚拟语气
1、 与过去事实相反:从句sb had done,主句sb would(should, could, might)+have done;
2、 省略if,从句的语序用到装,即将were, had或should移至主语的前面,但否定词n ot不前移。
3、与将来事实相反: 从句sb did (should+do或were+to do),主句sb would (should, could, might)+do
Why引导的疑问句
(3)考察动词不定时的时态和语态:
进行式to be doing,
完成式to have done;
一般式被动语态to be done;
完成式被动语态to have been done。
另外,不定式短语有将来时的意思;
考点2:动名词
(1)常接动名词做宾语的词:mind(介意),miss(逃过),mention(提及),prevent, postpone, practice,
备”、“不满”,分别表示“本应该…”和“本不应该…”
(5)need n't have do ne表示过去做了某事,但没有做的必要,意为“本没必要…”。
*did not need to do动作并没发生。
1
考点2.特殊用法
⑴should表示惊讶
1.1 am surprised__this city is a dull place to live in. 2006
(2)介词后的ing:
preve nt/stop/keep sb /sth from doing阻止…做…
spe nd/waste time /mo ney in doi ng在做…方面花钱、浪费时间或金钱;
how /what about doing sth做…怎么样了?
Have some difficulty/trouble in doing在…方面有些困难;
A.that you should thinkB. by what you are thinking
C. that you would thinkD. with what you were thinking
⑵Can't but+V .,表示不得不,与have to同义。Can't help +Ving忍不住。
risk(冒险),
resist(抵制),consider(考虑),admit(承认),avoid(避免),appreciate(感激),fancy(幻想),finish(完成),feel
like(喜欢),escape(逃脱),ensure(确保),delay(延迟),deny(否认),resent, detest, imagine(想象), suggest(建议)
ask, require, request,
dema nd引导的从句及it引导的相应的分词、名词和形容词从句,谓语用(should)+动词原形。
考点3:It is +advisable, esse ntial, importa nt, imperative, in credible等从句,谓语用
(should)+动词原形。
考点5:畭档愠屳尽管,虽然 引导让步状语从句,从句中用would have done表示假设。
考点6:if only, wish, as if/as though引导从句,
与过去事实相反:doing(做…是没有理由的)
考点1:不定式
(1)考察哪些动词接不定式;
(2)考察哪些短语接不带to的不定式;
Had better/had best
Would rather/would rather…than/rather than/would sooner/would sooner…than
Cannot but/ca nnot help but/do nothing but/do nothing besides/do nothing tha n
与现在事实相反:动词过去式;
与将来事实相反:could/would+do
考点7:would rather/sooner
使用一般过去式或过去完成式
分别表示对现在或过去的虚拟
语法考点之二:情态动词
*情态动词:will(愿意),shall(将),must(必须),can, may, would, should (应该),might, could, ought to, used
4、错综条件句:主句与从句的动作发生在不同的时间段。
比如:从句对过去虚拟,而主句对现在虚拟,即从句sb had done,主句sb would(should, could,
might)+do;
考点2:表示建议、要求、命令等动词女口in sist, order, comma nd, suggest, advise, propose,
to(过去常常),need(需要),dare(竟敢),have to(不得不)
考试中,情态动词部分重点测试以下内容:
(1)情态动词+行为动词完成式(表示推测)
(2)某些情态动词的特殊用法
考点1.情态动词+have+过去分词结构表示推测
⑴must have do ne表示推测过去某事"一定”发生了。否定形式为:can't/could n't have v -ed,表
⑶cannot…too/enough表示“无论怎么也不算过分”、“越越好”
⑷may/ might as well+动词原形”意为“最好,满可以,倒不如”,相当于had better
(5)may well+动词原形”,意为“(完全)能,很可能”
(6)may as well as还是…好了
语法考点之三:非谓语动词
示过去不可能发生某事。
⑵could have done表示推测过去某动作"很可能”发生了。
⑶may/might have done表示推测过去某事"也许”发生了
⑷ought to/should have done和ought n ot to/should n't have do ne用于对已发生的情况表示"责
考点1. If从句中的虚拟语气
1、 与过去事实相反:从句sb had done,主句sb would(should, could, might)+have done;
2、 省略if,从句的语序用到装,即将were, had或should移至主语的前面,但否定词n ot不前移。
3、与将来事实相反: 从句sb did (should+do或were+to do),主句sb would (should, could, might)+do
Why引导的疑问句
(3)考察动词不定时的时态和语态:
进行式to be doing,
完成式to have done;
一般式被动语态to be done;
完成式被动语态to have been done。
另外,不定式短语有将来时的意思;
考点2:动名词
(1)常接动名词做宾语的词:mind(介意),miss(逃过),mention(提及),prevent, postpone, practice,
备”、“不满”,分别表示“本应该…”和“本不应该…”
(5)need n't have do ne表示过去做了某事,但没有做的必要,意为“本没必要…”。
*did not need to do动作并没发生。
1
考点2.特殊用法
⑴should表示惊讶
1.1 am surprised__this city is a dull place to live in. 2006
(2)介词后的ing:
preve nt/stop/keep sb /sth from doing阻止…做…
spe nd/waste time /mo ney in doi ng在做…方面花钱、浪费时间或金钱;
how /what about doing sth做…怎么样了?
Have some difficulty/trouble in doing在…方面有些困难;
A.that you should thinkB. by what you are thinking
C. that you would thinkD. with what you were thinking
⑵Can't but+V .,表示不得不,与have to同义。Can't help +Ving忍不住。
risk(冒险),
resist(抵制),consider(考虑),admit(承认),avoid(避免),appreciate(感激),fancy(幻想),finish(完成),feel
like(喜欢),escape(逃脱),ensure(确保),delay(延迟),deny(否认),resent, detest, imagine(想象), suggest(建议)
ask, require, request,
dema nd引导的从句及it引导的相应的分词、名词和形容词从句,谓语用(should)+动词原形。
考点3:It is +advisable, esse ntial, importa nt, imperative, in credible等从句,谓语用
(should)+动词原形。