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It is...that…句式英語語法強調(diào)句知識點
上學(xué)的時候，不管我們學(xué)什么，都需要掌握一些知識點，知識點就是學(xué)習(xí)的重點。哪些知識點能夠真正幫助到我們呢？下面是小編整理的It is...that…句式英語語法強調(diào)句知識點，僅供參考，大家一起來看看吧。
It is...that…句式英語語法強調(diào)句知識點 1
有這樣一道考題：
It was a teacher that she __________.
A. was B. seemed C. looked D. married
此題應(yīng)選D。從句意上看似乎4個選項都行，其實這里只能填D。因為填A(yù)，B，C 中的.任意一個選項，都會導(dǎo)致句中的 a teacher成為表語，然而按照強調(diào)句句法規(guī)則，It is...that這一強調(diào)句型是不能強調(diào)表語的。一般說來，以下成分不能用于強調(diào)句中的被強調(diào)部分：
1. 表語：
她很美。
正：She is beautiful.
誤：It is beautiful she is.
他是醫(yī)生。
正：He is a doctor.
誤：It is a doctor that he is.
但是賓語補足語卻可以用作被強調(diào)部分：
他們選他擔(dān)任主席。
正：They elected him chairman.
正：It was chairman that they elected him.
2. since 和 as 引導(dǎo)的原因狀語從句(但 because 從句卻可以)：
他不能來是因為他病了。
It is...that…句式英語語法強調(diào)句知識點 2
注意1：該結(jié)構(gòu)可以對所有成分（謂語除外）進行強調(diào).
I saw him yesterday.
對主語進行強調(diào)：It wasIwho/thatsaw him yesterday.
對賓語進行強調(diào)：It washimwho/thatI saw yesterday.
對狀語進行強調(diào)：It wasyesterdaythatI saw him.
對謂語部分強調(diào):Ididsee him yesterday..
注意2：is/was只能是單數(shù)，不能寫成are
Itwasthe beautiful birds that stunned me.
注意3：當(dāng)所強調(diào)的是人時，that可以替換為who
It is my sisterwhoalways helps me out.
注意4：在informal場合，that/who可以省略
A: You've met my mother, haven't you?
B: No, it was your sister(that)I met!
注意5：強調(diào)句去掉it is…that/who…之后剩下的是一個完整的句子
It wasthe governmentthatguarantee the running of the country.
注意6：Not until句型的.強調(diào)
It wasnot until his wife leftthathe came back.
注意7：it is可以加上情態(tài)動詞
It might bein this roomthathe met her.
It might have beenJohnthatbought a present for Mary yesterday.
It must have beenBillwhophoned yesterday.
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