whether if 間接問句

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whether if 間接問句

Yes-no問句改成間接問句時，不是用Wh-疑問詞，而要用whether(是否)或if(是否)來引導此間接問句。

Yes-no疑問句中含be動詞

形成間接問句時，主詞和be動詞互換。

   Be動詞 + 主詞 + …？ 主要子句 + whether/if + 主詞 + be動詞？        
例：Is Jenny tall?         Do you know whether/if Jenny is tall?

 Is it raining outside? 外面在下雨嗎?

→I don’t know it is raining outside. 我不知道外面是否有下雨。

Yes-no疑問句中含助動詞do, does, did

形成間接問句時，動詞需視主詞人稱的單複數和時態作變化。

   助動詞 + 主詞 + 原形動詞 …？     主要子句 + whether/if+主詞 + 動詞？       
例：Does he open the window?  Please tell me whether/if he opens the window.

1. Do you want to go swimming? 你想要去游泳嗎?

→ I’m not sure you want to go swimming. 我不確定你想要去游泳。

2. Did she turn off the lamp? 她有把檯燈關掉嗎?

  → Can you tell me if she turned off the lamp. 你可以告訴我她是否有把台燈關掉。

Yes-no疑問句中含和助動詞 will, can, should…或have/has + p.p.

形成間接問句時，主詞和助動詞互換。

助動詞 + 主詞 + 原形動詞 …？  主要子句 + whether/if + 主詞 + 助動詞+ 原形動詞？
例：Can the damage be reduced? Tell me whether/if the damage can be reduced.

Will they join the club? 他們有加入社團嗎?

→ I want to know they will join the club. 我想知道他們是否有加入社團。

Have you been to Japan? 你有去過日本嗎?

→I’m not sure you have been to Japan. 我不確定你是否有去過日本。

★    比較1：引導間接問句的whether和if意思上相同，但不同的是，whether的子句可以加入”or not”，而if的子句通常不加。

I don’t know whether she likes me (or not).   I don’t know if she likes me or not.

我不知道是否她喜歡我。

★    比較2：

當從屬連接詞if做「如果」解釋，要表達「未來」時，條件句(副詞子句)的動詞需用現在簡單式。例：If David joins the game tomorrow, we will win.

當if做「是否」解釋，要表達「未來」時，間接問句(名詞子句)的動詞需用未來式。

I don’t know if David will join the game tomorrow.     我不知道是否大衛明天將會參加比賽。                                 

Whether/if間接問句練習題

1. Peter wants to know. / Can he play basketball after school every day?

Peter wants to know whether/if he can play basketball after school every day.

2. Please tell me. / Is Tony going to have a birthday party tomorrow?

Please tell me whether/if Tony is going to have a birthday party tomorrow.

3. I’d like to know. / Does he play an important part in your life?

I’d like to know whether/if he plays an important part in your life.

4. I am not sure. / Can I ask some questions?

I am not sure whether/if I can ask some questions.

5. Please tell me. / Has he been to Hong Kong before?

Please tell me whether/if he has been to Hong Kong before.

6. I don’t know. / Did Ben go to the movies last night?

I don’t know whether/if Ben went to the movies last night.

7. I want to know. / Are you going to travel to New York?

I want to know whether/if you are going to travel to New York

8. Please tell us. / Do we have to leave now?

Please tell us whether/if we have to leave now

9. Mark wants to know. / Should he finish his report by Friday?

Mark wants to know whether/if he should finish his report by Friday

10. Mr. Brown asked. / Did Grace plan to study in America?

Mr. Brown asked whether/if Grace planned to study in America.

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