名詞性從句考點（主語，表語，賓語）

1，that 何時可以省略 1) that 在賓語從句大多數(shù)情況可以省略 (1)We regret (that) you did not find our prouct satisfactory. (2)We told the driver（ that） we were in a hurry.

2）在主語，表語，同位語從句中一般不能省略。

(1) That you want to be independent is only natural. (2)The advantage of DVD is that it gives you much better picture quality. (3)We should make people face the fact that a lot of people die from smoking every year.

2，if和whether 的區(qū)別： 1）在賓語從句中，if 和whether一般都可以使用.

在賓語從句中， 只能使用whether的情況： (1) 介詞之后 Your success or failure depends on whether you work hard.

(2) 緊跟or not 時 She asked me whether or not he would come.

(3)接不定式 Can you tell me whether to go or to stay ?

(4) 主語從句，表語從句， 同位語從句只能用whether. Whether I will come depends on a number of things. The question is wether he will come to help.

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