2. 一般过去时(did)一般过去时表示某个过去的时间点所发生的动作。 I used the pen before.(我之前用过这支笔。) 一般式表示经常发生的动作,其动词形式为do。 I often get up at 7.(我...
C、did; buy D、does; buy (点击选项查看答案) do you think 是插入语,可以将其去掉,分析句意应用过去时态和陈述语序。 点击查看解析 05 Can they speak Spanish?I want to know.(合并成一句) I want toknow ___ ___ ___ ___ Spanish. if/ whether, they, can, speak ...
been和done的区别 been是be的过去分词;done是do的过去分词。常见的用法是have done和have been done,have done是主动形式的现在完成式,have been done是被动式的现在完成式。 1、done的含义及相关短语用法 形容词adj.已完成的;煮熟的;合乎礼仪的;合乎规矩的感叹词表示...
但是全部否定最好不用both… not…而用neither,例如最好不要说*Both of them did not go swimming. 而说Neither of them went swimming. He’s apoor sailor. poor sailor常被用来指“...
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