【—：賓語從句】下面是小編為大家?guī)淼膶?duì)賓語從句的理解，如果同學(xué)們還不甚了解的話，就看看下文吧
1. 由that引導(dǎo)的賓語從句。that只有語法作用，沒有實(shí)在的意義，在口語和非正式文體中可以省略。例如：
He said （that） he wanted to stay at home.
She doesn't know （that）she is seriously ill.
I am sure （that） he will succeed.
2. 由連接代詞who, whom, whose, what, which和連接副詞when, where, why, how引導(dǎo)的賓語從句。這些連接代詞和連接副詞在賓語從句中充當(dāng)某個(gè)成分。例如：
Do you know who（whom）they are waiting for?
He asked whose handwriting was the best.
Can you tell me where the No.3 bus stop is?
I don't know why the train is late.
3. 由if或whether引導(dǎo)的賓語從句。If和whether在句中的意思是“是否”。例如：
I want to know if（whether）he lives there.
He asked me whether（if）I could help him.
上述三種賓語從句是用不同的引導(dǎo)詞，什么時(shí)候用，什么時(shí)候不用，同學(xué)們會(huì)做了嗎？如果還有不會(huì)的話就來吧！
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