1樓：匿名使用者
they don『t know what they should do with themselves .
they don『t know what they can do by themselves .
2樓：匿名使用者
疑問詞whom、what、which、when、where、how、whether（不能用if）後面加動詞不定式可以構成一種特殊的動詞不定式短語，它在句子中可以作主語、直接賓語、表語、介係詞賓語等，如：
how to earn daily bread by my pen was then the problem.
he didn't know whether to refuse it or not.
the difficulty was how to cross the river.
i asked him how to learn english.
這幾個句子，可以與疑問詞引導的名詞性從句互換，如：
how i should earn daily bread by my pen was then the problem.
he didn't know whether he should refuse it or not.
the difficulty was how we could cross the river.
i asked him how i could learn english.
所以你給出的句子，帶有「疑問詞加動詞不定式」的結構，改法如下：
they don't know what they should do with themselves.
希望我能幫助你解疑釋惑。
怎樣將疑問句改為含賓語從句的複合句？講詳細點啊！最好再舉幾個例子啊！
3樓：匿名使用者
很高興解決你的問來題。
1.如果是自一般疑問句，用if或whether引導從句必須用陳述語序，例如are you a student？——i wonder if you are a student.
2.如果
是特殊疑問句，用特殊疑問詞引導從句必須用陳述語序，例如how do you get to school？——he asked me how i got to school.
3.如果是陳述句，用that引導，一般that可省略。
祝你學習進步！
怎樣將句子改為賓語從句的複合句
賓語從句問題
4樓：匿名使用者
複習內容：賓語從句考點歸納
將下面的句子連線成為含有賓語從句的複合句
將下列句子改為含賓語從句的複合句
5樓：蔣慕露
答案：did it take him two hours to finish the work?do you know.
do you know ( whether / if it took ) him two hours to finish the work?
解析：因為前面的句子是作為從句出現，所以要用陳述句語序，和單獨提出來當問題問別人是不一樣的，這一點首先要明白；
其次，把疑問句變成陳述句，首先要把疑問句的倒裝格式變為陳述句語序，比如did it take要變成it took。要想在陳述句中表示簡單疑問句（就是用yes和no就能回答的句子）要問問題的意思，句首加 if 就可以了。
希望能幫到你，祝更上一層樓o(∩_∩)o
有不明白的請繼續追問(*^__^*)
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