名词性从句应注意的问题中学教育高考英语_中学教育-高考.pdf
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1、学习好资料 欢迎下载 名词性从句应注意的问题 名词性从句是学生学习中的重点和难点,这里简要介绍一下应注意的有关问题。一、六忌(一)注意不可多 that 连接代词 who,whom,which,whose,what;连接副词 how,why,when,where;连接词 if,whether;所有这些词前,不可再用 that。eg:He doesnt know that when they arrived here.(二)注意不可少 that 引导名词性从句的 that 在句子中无具体意思,但在下列情况下,that不可省略:1.宾语从句被分隔时;2.宾语从句不止一个时;3.引导主语从句、表语从句
2、或同位语从句时。eg:1.I dont doubt,in any case,he keeps his word.2.Everyone could see what was happening and poor Tom was nearly frightened.3.The earth goes round the sun was not widely accepted at that time.4.The problem is fuels like coal and oil cause a lot of pollution.5.We heard the news our team had wo
3、n.(三)注意 that 与 what 的用法 that 没有意义,只起引导作用,不作成分;what 意为“的东西(事物)”(all that),在从句中可作主语或 宾语、表语、宾补。eg:1.That he needs is your help.2._ we cant get seems better than _ we have.A.What;what B.What;that C.That;that D.That;what 3._ fashion differs from country to country may reflect certain culture differences.
4、A.What B.That C.This D.Which 4.People were perhaps more honest a long time ago when life was very different from _it is today.A.which B.that C.what D.how 5.The word media basically refers to _ we commonly call newspapers,magazines,radios and televisions.学习好资料 欢迎下载 A.which B.what C.why D.that (四)注意区分
5、 that,because 和 why 有些名词如 reason,cause 作句子主语时,其后的表语从句常用 that引导,不可用because;because 引导表语从句时用于句型Thats because,说明产生上述结果的原因;why 引导从句时说明由上述原因导致的必然结果。eg:1.The reason why he hasnt come is because he hasnt received the invitation.2.I was very late for school this morning.Thats why I stayed up too late last n
6、ight.(五)注意区分 that,if,whether 1.在 doubt 后面的宾语从句中,肯定句常跟 whether 或 if 引导的从句;否定句常跟 that 引导的从句。eg:I doubt that that was what he wanted.2.if 和 whether 用 whether 不用 if 的情况:1)引导主语从句、表语从句和同位语从句时;2)在介词后引导宾语从句时;3)后面直接跟动词不定式时;4)后面紧跟 or not 时;eg:1)_ wel l go camping tomorrow depends on the weather.A.If B.Whether
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