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选修7《Grammar Summary》PPT课件优质课下载
That he has succeeded is a fact.
句子作主语=主语从句
We know that he has succeeded.
句子作宾语=宾语从句
The fact is that he has succeeded.
句子作表语=表语从句
I know the news that he has succeeded.
句子作同位语=同位语从句
主语从句 Subject clause
在句中充当主语的从句叫做主语从句。
1. 我们最需要的是时间。
What we need most is time.
2. 你将来是否学英语专业还不肯定。
注意:主语从句表示“是否” 只用“whether” 而不用“if”, whether不做成分。
注意:连接代词在从句中充当必要成分。
Whether you will major in English is not certain.
注意:从句作主语时,就算是句子意思完整,都要加上从属连词that,that放句首时,一定不能省略。
3. 我们期中考试取得了进步,这是个好消息。
That we have made progress in the mid-exam is good news to us.
It is good news to us that we have made progress in the mid-exam.
It + be + 形容词 + that从句
It + be + -ed分词 + that从句
用it形式主语的that从句有以下四种不同的搭配:
It + be + 名词 + that从句
It + 不及物动词 + that从句