主語從句三要素：
1、關(guān)聯(lián)詞不能省略
2、謂語動詞用單數(shù)
3、從句用陳述語序
常見引導(dǎo)詞
what, when, where，which, who, that，whether, how ，whatever, whoever
Whether it will do us harm or good remains to be seen.
I don’t think that whatever happens is right.
Is what you told me really true?
NOTICE: What we need most are books.
1、關(guān)聯(lián)詞不能省略
2、謂語動詞用單數(shù)
3、從句用陳述語序
常見引導(dǎo)詞
what, when, where，which, who, that，whether, how ，whatever, whoever
Whether it will do us harm or good remains to be seen.
I don’t think that whatever happens is right.
Is what you told me really true?
NOTICE: What we need most are books.