一·賓語從句的常見用法例句：
1 We know (that) we should study hard.(that可省略,它在句子中不擔(dān)任成分）
2 I don't think he can pass tha exam.(think,believe,suppose后的that一般都省略）
3 They believed they would win the game.
4 You must take back what you said.(what是連接代詞,連接主語you must take back和從句you said;what也是謂語動詞said的賓語）
你必須收回你所說的話
5 Could you tell me who he is?(who即使連接詞,又是表語）
6 I know who did the good deed.(who在從句中作主語）
我知道誰做的這件好事
7 He asked me which shirt I liked best.( which在從句中擔(dān)任定語,修飾shirt)
8 I want to know when the plane will take off.(when既連接主句I want to know和從句the plane will take off,又擔(dān)任時間狀語）
9 Our teacher asked me why I was late.(why擔(dān)任原因狀語）
10 Mike asked me how I could do the work without any help.(how在從句中作方式狀語）
11 We don't know if/wether our teachers will attend the class meeting.(if/wether連接主句We don't know和從句,不能省略）
12 Please let me know whether or not you'll come to the party.(wether or not不擔(dān)任成分,起連接作用,不用if)
二·一般疑問句變?yōu)橘e語從句時,語序變?yōu)樯晔鼍湔Z序,用if/wether連接：
一般疑問句 賓語從句
1 Does he study hard?I wonder if/wether he studies hard.
2 Will they win?I asked if/wether they would win.
三·特殊疑問句變?yōu)橘e語從句時,語序變?yōu)殛愂稣Z序,保留原來的疑問句：
特殊疑問句 賓語從句
1 Who is he?Do you know who he is?
2 What does he want?I don't know what he wants.
3 When did he leave?I know when he left.
4 Where will he arrive?She asked me where he would arrive.
5 How can I get there?Please tell me how I can get there.
6 How long did it take you tofinish the job?Did he know how long it took you to finish the job?
7 Why won't you spend the holiday with them?She wants to know why I won't spend the holiday with them.
8 Which skirt do you like best?My mother ask me which skirt I liked best.
*特例：對主語提問,特殊疑問句的語序不變,變?yōu)橘e語從句時語序依然不變：
賓語從句 特殊疑問句
Who went there?I wonder who went there.