强调句型IT IS-WAS...WHO-THAT 的用法及注意事项(3页).doc

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1、-强调句型IT IS-WAS.WHO-THAT 的用法及注意事项-第 3 页一、强调句型的用法在英语中，我们常用It iswas who/that结构来突出强调句子的某一成分(一般是句子中主语，宾语或状语)。在这个句型中，it没有词汇意义，只是引出被强调的成分。如果被强调的成分是表示人的词，用who或that来连接都可以。如果是其它成分，则一律用that来连接。E.g. It is my mother whothat cooks every day.E.g. It was yesterday that Tom passed in the maths exam二、使用本句型的几个注意事项1被强调

2、成分是主语，whothat之后的谓语动词应该在人称和数上与原句中的主语保持一致。 e.g. It is I who am right e.g. It is he who is wrong e.g. It is the students who are lovely 2即使被强调成分是句子中的时间状语，地点状语，原因状语等，也不能用when，where, because，要用 that。E.g. It was after the war was over that Einstein was able to come back to his research work again .E.g. It

3、 was in front of the bank that the old lady was robbed E.g. It was because of the heavy rain that he came late3如果被强调的成分有同位语，同位语也应提前。It was from him，his chemistry teacher，that Paul learned to watch carefully in class4被强调成分是作主语的代词，用主格，是作宾语的代词，用宾格。It was he that helped me yesterday.It was me that he he

4、lped yesterday.5被强调部分既包括人又包括物，用that不用wholt was the things and people that they remembered that they were talking about三、考试中，为了增加试题难度，强调句型经常以疑问句形式出现。其一般疑问句形式是：IsWas it+被强调成分+whothatIs it Mr.Smith who teaches you English?其特殊疑问句形式是：疑问词+iswas+被强调成分+that.Why was it that you did not attend the meeting yes

5、terday?When was it that this traffic accident happen?Where was it that you put my English dictionary?四、区分定语从句和强调句型某些定语从句和强调句型形式差不多，容易混淆。如果去掉it is was . that句子仍然通顺成立，则为强调句型，不成立不通顺，则为定语从句。E.g. It was three years ago that he went to American for a further study去掉It was that句子为Three years ago he went to

6、 America for a further study句子通顺，意思完整，那么，这就是一个强调句型。it is.that/who.用作强调句时，不作句子成分，也就是说去掉it is that 句子还是能够单独使用。这是和定语从句的区别。还用that引导的名词性从句也是这样的。下面讲下强调句型：1. 强调句型特点是：去掉It be that/who，句子成分完整。It is in the street that I met her 强调句把it is that 去掉，句子完整，in the street I met her.It is clear that not all boy like f

7、oot ball，去掉后，clear not all boy like football不完整，不是强调句（是主语从句）2. 强调句中只有that/who/whom,不会出现where，which, when等。It is the street where I met her 定语从句where 关系副词 做定语从句中的地点状语；3. 如果强调时间地点就看前面有没有介词, It is in the morning/at some place that.一般情况下就是强调判断是否是强调句一般用以下方法：把 It is/was that 去掉，看句子是否完整，若完整，则为强调句，若不完整，则为从句。例：It was at the school gate that I met an old friend of mine.(强调句)It was the school gate where I met an old friend of mine. （定语从句）