瞬间动词在现在完成时态中的用法PPT课件

1、2021/6/71 瞬间动词瞬间动词 在在现在完成时态现在完成时态中的用法中的用法 2021/6/72 瞬间动词瞬间动词（也叫点动词、终止性动词、（也叫点动词、终止性动词、 结束性动结束性动 词、非延续性动词），词、非延续性动词），表示短暂的、持续时间很短的动作。表示短暂的、持续时间很短的动作。 常用的瞬间动词有以下这些：常用的瞬间动词有以下这些： arrive, begin, borrow, lend, buy, become, come, go, die, join, leave, lose, find, finish, start, stop, see, hear, open, clos

2、e 2021/6/73 瞬间动词的肯定式不能与表示一段时间 的状语连用： I have left Xian for 3 days. I left Xian 3 days ago. He has died for 5 month. He died 5 month ago. 2021/6/74 但瞬间动词的但瞬间动词的否定式可以与表示一段时间否定式可以与表示一段时间 的状语连用：的状语连用： I havent left home for a month. I havent seen you for a long time. 2021/6/75 瞬间动词的肯定式不能与表示一段时间的 状语连用，但可以

3、转换为对应的延续性动词后 再接段时间状语。 leave be away from I left Xian 3 days ago. Ive been away from Xian for 3 days. 2021/6/76 come be Elena came here 5 minutes ago. Elena has been here for 5 hours. come back be back Harry came back from Mars a month ago. Harry has been back from Mars for a month. buy have Tony bou

4、ght a comic book a week ago. Tony has had this comic book for a week. 2021/6/77 borrow keep Amy borrowed a comic book from Tony the day before yesterday. Amy has kept this book for two days. die be dead Adolf Hitler died 65 years ago. Adolf Hitler has been dead for 65 years. begin be on The movie be

5、gan 10 minutes ago. The movie has been on for 10 minutes. 2021/6/78 open(v.) be open (adj.开门的、开始营业的) Sweeties Sweets Shop opened at 8:00 today. Its 10:00 now. Sweeties Sweets Shop has been open for 2 hours. close(v.) be closed (adj.(关闭的) The movie theatre closed 2 hours ago. The movie theatre has been closed for 2 hours. become be Sweetie became a teacher in 2004. Its 2010 now. Sweetie has been