大学英语必考语法考点

时间:2023-06-13 12:20:41 路燕 大学英语 我要投稿
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大学英语必考语法考点

  导语:大学英语的语法比高中时代学得更深入了,考点也有所改变,下面是小编收集整理的大学英语必考语法考点,欢迎参考!

大学英语必考语法考点

  1.as...as...引导的比较级:

  (1)“as +形容词或副词原级+ as+被比较对象”结构。例句: He studies as hard as you. 他像你一样学习努力。

  (2)在否定句或疑问句中可用 not so…as…. 例句:He can not run so/as fast as you. 他没你跑得快。

  2.only引导的倒装句型:only +状语 (或状语从句)位于句首时,句子部分倒装。

  例句: Only by diligence and honesty can one succeed in life. 只有勤奋、正直,一个人在生活中才能成功。

  注意:但 only修饰主语时,不倒装。例句: Only that girl knew how to work out the problem. 只有那位女生知道怎样解那道题。

  3.wish引导的虚拟语气:wish 后面的从句,当表示与事实相反的情况,或表示将来不太可能实现的愿望时,其宾语从句的动词形式为:

  (1)表示对现在情况的虚拟:从句动词用过去式或过去进行式表示,be 的过去式用were.

  I wish I knew the answer to the question. 我希望知道这个问题的答案。(可惜不知道。)

  (2)表示对过去情况的虚拟:从句动词用had +过去分词。

  I wish (that) I hadn’t wasted so much time. 我后悔不该浪费这么多时间。( 实际上已经浪费掉了。)

  (3)表示对将来的主观愿望:谓语动词形式为“would/ should/ could/ might +动词原形”。在这种情况下,主句的主语与从句的主语不能相同,因为主句的主语所期望的从句动作能否实现,取决于从句主语的态度或意愿(非动作名词除外) 。

  I wish it would stop raining. 但愿雨能停止。

  注意:若wish 后的宾语从句中用 would,可以表示请求,通常意味着说话人的不快或不满。

  例句:I wish you would be quiet. 我希望你安静一些。

  4.it形式宾语:和it 作形式主语一样, 我们常用it 来作形式宾语, 把真正的宾语从句放在句末, 这种情况尤其出现在带复合宾语的句子中。

  例句:He has made it clear that he will not give in. 他表明他不会屈服。

  5.The+比较级,the+比较级 表示“越.....越......"

  例句:The more scared we are, the stronger the difficulty will become。我们越害怕困难,困难就会变得越强大。

  6.as引导的非限制性定语从句

  在as引导的非限制性定语从句中,连接代词as在句子中可以作主语、宾语或表语等,可以指人或物。其在定语从句中的位置比较灵活,即可以在句子 前面,在句子中间或句子末尾。常用的结构有:as we all know; as is well known to…; as is often the case; as is said/mentioned above; as has been said before; as I told you before; as is evident; as often happens; as can be seen; as is/was expected; as we expect; as I can remember等。

  7.which引导的非限制性定语从句

  which引导的非限制性定语从句既可以指整个句子内容,也可以指句子的部分内容(如单词或词组等),在句子中可以作主语、宾语(动词或介词 的)、定语等。注意它在句子中的位置:只能放在主句后,不能放在主句前。表达的内容是"不好的"、"事先没有预料到的"等时,常用which,只指物。

  as, though, although引导的让步状语从句。

  [注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。

  拓展:大学英语六级语法必考语法知识讲解

  1) It is demanded / necessary / a pity + that…结构中的主语从句的谓语动词要用should 加动词原形, should 可省略。

  句型:

  (1)suggested It is

  (2)important that…+ (should) do

  (3) a pity

  (1)suggested, ordered, proposed, required, demanded, requested, insisted; + (should) do

  (2)important, necessary, natural, strange

  a pity, a shame, no wonder

  (3)It is suggested that we (should) hold a meeting next week.

  It is necessary that he (should) come to our meeting tomorrow.

  2)在宾语从句中的应用

  在表示命令、建议、要求等一类动词后面的从句中。

  order, suggest, propose, require, demand, request, insist, command, insist + (should) do

  I suggest that we (should) hold a meeting next week.

  He insisted that he (should ) be sent there.

  注意: 如suggest, insist不表示"建议" 或"坚持要某人做某事时",即它们用于其本意"暗示、表明"、"坚持认为"时,宾语从句用陈述语气。

  The guard at gate insisted that everybody obey the rules.

  判断改错:

  (错) You pale face suggests that you (should) be ill.

  (对) Your pale face suggests that you are ill.

  (错) I insisted that you ( should) be wrong.

  (对) I insisted that you were wrong.

  3)在表语从句,同位语从句中的应用

  在suggestion, proposal, idea, plan, order, advice等名词后面的表语从句、同位语从句中要用虚拟语气,即(should)+动词原形。

  My idea is that we (should) get more people to attend the conference.

  I make a proposal that we (should) hold a meeting next week.

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