Unit10 I've had this bike for three years持续动词与非持续动词课件(共10张PPT)

(共10张PPT)
八年级-下册-unit10
目录
CONTENTS
29,－Mum,hurry up. The movie Mulan acted by Liu Yifei ______ for － 15 minutes.
－OK,I'm coming.
A,begins B,has begun C,began D,has been on
新疆2019-2020第二学期期末试卷
begin---------------------be on
非持续动词
持续动词
导入
：
1，那持续动词与非持续动词如何区别呢？
现在
现在
瞬间动词
持续动词
过去
过去
非持续动词=瞬间动词
难点突破
课堂练习
*
难点巩固
根据实际需要新增页
been back
been back
come back
,His father hasn't ______ ______ for almost three years.
,His father hasn't ______ ______ since 2017
,His father hasn't ______ ______ yet.
结论：非持续动词（瞬间动词），在用于现在完成时时，不能与表示一段的for,since构成的时间状语连用，要用相应的持续动词
2，那什么时候用持续动词，什么时候用非持续动词呢？
难点突破
伊犁州2018-2019学年期末第69小题
have had
has had
been on
，I bought this pen last week.(用for a week 改写句子）
I ______ ______ this pen for a week.
，She bought the book two days ago.(改为同义句）
She______ ______ the book for two days.
, I'm afraid you are late.The meeting has ______ ______for ten minutes already.
课堂练习
buy--have
1，非持续动词就是瞬间动词，过去发生过去完成。
小 结
2，非持续动词（瞬间动词），在用于现在完成时时，不能与表示一段的for,since构成的时间状语连用，要用相应的持续动词
也就是（for,since持续）
持续性动词和非持续性动词的转换：
come—be, go out—be out, leave—be away (from), begin/start—be on, buy—have, borrow—keep,
finish—be over, join—be in, put on—wear, die—be dead, become—be, open (v.)—be open (adj.)
拓展延伸
注：
非延续性动词在否定结构中可用现在完成时表示持续的动作和状态。
例如：
I haven't bought anything for two months.
拓展延伸
【课堂小结】
小结
根据实际需要新增页