1) I began to teach at this school in 1995. I ___ ___ at this school since ___. 2) The film began two minutes ago. The film ___ ___ ___ for ___ ___. ⑦borrow → keep lose → not have buy → have put on → wear catch/get a cold → have a cold get to...
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接受建议)动词·做(do的过去分词);干。 must+have+done:表示...
be involved in牵涉到;卷入;使参与;一心做 注:involved作前置定语,意为“复杂的”;involved作后置定语,意为“涉及的”。 eg: an involved case; the people involved 2.offer的用法 Vt 提出,主动给予;出价;开价 n给予(物),出价,提议,意图,报价
更多内容请点击：现在完成时Since和for的用法