现在完成时中短暂性动词与延续性动词的转换(共18张PPT)

谢谢观赏
You made my day!
我们，还在路上……
现在完成时中 (点动词)短暂性动词与延续性动词的转化
也称做点动词、非延续性动词或瞬间动词。
表示动作不能延续，只是一瞬间就结束的 动作。
come, go, arrive, reach, see, hear, close, open, leave, begin, start, lose, buy, fall, join, die, become,
his
grandfather
His brother borrowed the book .
His brother borrowed the book .
His brother has kept the book .
His brother has kept the book .
It’s two weeks
1. 实义动词转化成实义动词
2. 转化成be+形容词或介词
3. 转化成be+名词（词组）
His grandfather
His grandfather His grandfather
His grandfather
It five years
his grandfather
Five years
his brother
borrowed the book .
Two weeks has passed
his
brother borrowed the book .
His brother joined the army .
His brother joined the army .
His brother has been in the army .
We haven’t seen him since 1992.
She hasn’t left home all her life.
在以下句型中，短暂性动词要转换成延续性动词：
现在完成时态的肯定句中，有for或since引导的，或其他种类的表 示一段时间的时间状语
例如：He has died for 20 years. 这句话就是错误的。 die是一个瞬间动词，需要转化为延续性动词。 句子改为 He has been dead for 20 years.
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His brother has been in the army .
It’s two years the army .
his brother joined
Two years has passed
his
brother joined the army .
相关练习
8B unit2 课课练 grammar部分有相关练习 可自行完成，核对答案
borrow, get up 等．
１.它们可以用于完成时态，说明某个动作的结 果还存在
He has come back.
The film as begun.
2.在否定句中，非延续性动词也可以用表示一段 时间的状语来修饰
I haven’t heard from Uncle Wang for a long time.
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