14．我想知道你的外套是不是要洗一下．
I wonderwhether your coat needs washing．

分析 whether your coat needs washing．

解答 答案：whether your coat needs washing．這里是主從復(fù)合句，作為wonder的賓語從句，引導(dǎo)詞是whether，后加陳述語序，主語是your coat，主句是一般現(xiàn)在時，從句時態(tài)不受限制，這里是說是否需要，用一般現(xiàn)在時，主語是三單，故用needs需要，need doing sth主動的形式表示被動，故wash洗的動名詞是washing，故答案是whether your coat needs washing．

點(diǎn)評 賓語從句的三要素是引導(dǎo)詞，時態(tài)和語序．還要注意need doing sth的用法．

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