【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件

1、【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件1非延续性动词与延续性动词的转换非延续性动词与延续性动词的转换 英语动词根据词义可分为两种：延续性动词和终止性动词。终止性动词（也称为非延续性动词、瞬间动词或点动词），如begin, start, buy, come等，表示动作的发生和结束于一瞬间完成，不能再延续，所以它的现在完成时不能和表示延续的时间状语连用，即不能与表示一段时间的状语，for+时间段，since+时间点从句连用，也不能用在how long引导的特殊疑问句中。误：Ive left Shanghai for three days. 正：Ive been away

2、 from Shanghai for three days.正：I left Shanghai three days ago.【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件2终止性动词要表示持续时，可用以下方法： （1）将时间状语改为时间段+ago,句中谓语用一般过去时。 My brother joined the army two years ago. （2）若保留for+时间段，since+时间点从句，或用在how long句型中，则需将终止性动词改为相应的状态动词或延续性动词。 My brother has been in the army for two years

3、. 【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件3常见终止性与延续性动词的对应关系如下: open be open leave be away ( from) die be dead close be closed break be broken borrow keep begin/start be on put on wear marry be married finish / end be over get up be up leave be away ( from) join be in buy have become be sleep/fall asleep-be

4、 asleep catch a cold have a cold come/go/get/move to , reach, arrive in / at be in/at 【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件4 (1)电影已经放映五分钟了了。 误：The film has begun for five minutes. 正：The film has been on for five minutes. 正：The film began five minutes ago. (2)他去世已经三年了。 误：He has died for three years. 正：He

5、 has been dead for three years. 正：He died three years ago. 正：It is three years since he died.【最新】九年级英语上册 非延续性与延续性动词转换课件 外研版 课件5Choose the words to finish the sentences: 1、I have_ (bought, had) the cup for a week. 2、I got a book from the library ,I can_ (keep, borrow) it for two weeks. 3、How long _ he _ here? A did, come B has, been C has, come 4、