The dog has died.------- The dog has been dead since last week. ⑷①have (has) been to + 地点 去过某地 已经回来 ②have (has) gone to + 地点 去了某地 没有回来 ③have been in + 地点 一直呆在某地 没有离开过 如: She has been to Shanghai. 她去过上海. She has gone to Shanghai. 她去了上海. She has been in Shanghai for 2 days.她呆上海两天了.1.情态动词must, may , might, could, may , can’t表示推测含义与用法后面都接动词原形.都可以表示对现在情况的揣测和推断但他们 含义有所不同 must 一定 肯定 may, might, could有可能.也许 can’t 不可能.不会 The dictionary must be mine. It has my name on it. The CD might/could/may belong to Tony because he likes listening to pop music. The hair band can’t be Bob’s. After all, he is boy! 【查看更多】
