by后面加动词什么形式? by后面接动词的时候需要用动名词形式,即为动词的ing形式,一般表示通过某种方式。 1、by的用法 1、意为“在……旁”,“靠近”。 Some are singing and dancing under a big tree. Some are drawing by the lake,有的在大树下唱歌跳舞。有的在湖...
句型5:had better (not) + 动词原形 You'd better ask that policeman over there. 你最好去问问那边的那个警察。 句型6:How + adj / adv + 主语 + 谓语 What a / an + adj + n + 主语 + 谓语 How cold it is today! 今天多冷啊! What a fine picture it is! 多美的一...
①与or not连用:They asked us whether or not we were coming. ②在介词之后:It depends on whether it is going to rain. 3.在不定式之前:We haven’t decided whether to go there...
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