初中英语现在完成时讲解全ppt课件
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18
判断正误
I bought the book five days ago.
I have bought the book. I have bought the book for five days.
I have had the book for five days. I have had the book since five days ago.
be dead
(finish结束....)
be over
20
1.我买这本书三年了。Buy I have bought the book. (1) I have had the book for 3 years. (2) I have had the book since 3 years ago.
Tips:buy 这个动作 从“开始发生”到 “结束/终止”, 几
乎同时或在极短的时间里（如‘几秒钟/几分钟内’）就完 成了“开始—结束”的过程，这样的动词我们叫做短暂性 动词。 所以， “我买了这块手表5年了”，在汉语中说的 通，但英语中就必须用相应的延续性动词来替换。
19
现在完成时中常见的非延续性动词
（buy买了…）
had
（borrow借了…）
keep
（start/ begin开始 了…） be on
（leave离开了…） （come来到某地….） （go去某地….）
be away (from) be here /介词+地点 be there/介词+地点
for … since….
（die 死了…）
7
8
9
10
11
12
13
• 2.一个动作从过去开始持续到现在，并有可能继续持续 下去。
• 过去时：动作过去已经结束。
• He has taught in our school for five years. • I have worked since last week.
14
• 第二层含义的标志词： • 和for 和since 连用 for+时间段（持续）
I lived in Wuwei ten years ago. I have lived iБайду номын сангаас Wuwei for ten years. I have lived in Wuwei since ten years ago.
I studied English ten years ago. I have studied English for ten years I have studied English since ten years ago.
4
结构： have/has+过去分词 （对have /has)进行变换
have/has not+过去分词 （haven’t hasn’t) Have/Has+主语+过去分词 (Yes,……have/has.No,……haven’t/hasn’t)
特殊疑问词+have/has+主语+过去分词
Have you finished your homework? I have finished my homework. What have you finished? I haven’t finished my homework
15
填空使用for和since
• I have been here_____half past three. • The car has been here ____yeaterday. • I have been in Only_____four years. • The boy has been in our class_____six week. • She has lived here ______1996.
6
总结：现在完成时
• 含义 1 :__________________ • 结构：肯 __________________
否___________________ 一般疑问 ___________________ 特殊疑问____________________ • 标志词|:____________________
16
• 2 标准词：so far/up to now (到目前为止） ;lately/recently(最近）
• Up to now/So far ,I haven’t been successful. • Lately/Recently,I haven’t seen my teacher.
17
总结
since（自从）+时间点
• I have studied English for ten years.= I have studied English since ten years ago.
注 意 ： 完 成 时 不 能 单 独 和 时 间 状 语 (two hours,three days,last week,four hours ago) 连 用 ， 必 须 加 上 for ,since.
5
• 标志词：already yet just
• already 用于肯定句中, 已经 :I have already had lunch.
• Yet
用于否定句 疑问句末
• Just:刚刚
还
已经
Have you had lunch_____? • I have ____ had lunch • I haven’t had lunch ____. • I have just had my lunch.
非延续性动词： buy borrow die leave begin/start come / go
finish 这些动词不能和 for …. Since……连用 与for和since连用时，要把它们变成相应的延续性动词
--------------------------------------------------------------------------------
现在完成时
1
• 现在完成时的含义 • 1.表示动作发生在过去，对现在造成的影响。
2
3
• I saw a movie. • I have seen the movie. • Have you ever been there?(八下Unit9) • I have never been camping. • 1.表示动作发生在过去，对现在造成的影响
判断正误
I bought the book five days ago.
I have bought the book. I have bought the book for five days.
I have had the book for five days. I have had the book since five days ago.
be dead
(finish结束....)
be over
20
1.我买这本书三年了。Buy I have bought the book. (1) I have had the book for 3 years. (2) I have had the book since 3 years ago.
Tips:buy 这个动作 从“开始发生”到 “结束/终止”, 几
乎同时或在极短的时间里（如‘几秒钟/几分钟内’）就完 成了“开始—结束”的过程，这样的动词我们叫做短暂性 动词。 所以， “我买了这块手表5年了”，在汉语中说的 通，但英语中就必须用相应的延续性动词来替换。
19
现在完成时中常见的非延续性动词
（buy买了…）
had
（borrow借了…）
keep
（start/ begin开始 了…） be on
（leave离开了…） （come来到某地….） （go去某地….）
be away (from) be here /介词+地点 be there/介词+地点
for … since….
（die 死了…）
7
8
9
10
11
12
13
• 2.一个动作从过去开始持续到现在，并有可能继续持续 下去。
• 过去时：动作过去已经结束。
• He has taught in our school for five years. • I have worked since last week.
14
• 第二层含义的标志词： • 和for 和since 连用 for+时间段（持续）
I lived in Wuwei ten years ago. I have lived iБайду номын сангаас Wuwei for ten years. I have lived in Wuwei since ten years ago.
I studied English ten years ago. I have studied English for ten years I have studied English since ten years ago.
4
结构： have/has+过去分词 （对have /has)进行变换
have/has not+过去分词 （haven’t hasn’t) Have/Has+主语+过去分词 (Yes,……have/has.No,……haven’t/hasn’t)
特殊疑问词+have/has+主语+过去分词
Have you finished your homework? I have finished my homework. What have you finished? I haven’t finished my homework
15
填空使用for和since
• I have been here_____half past three. • The car has been here ____yeaterday. • I have been in Only_____four years. • The boy has been in our class_____six week. • She has lived here ______1996.
6
总结：现在完成时
• 含义 1 :__________________ • 结构：肯 __________________
否___________________ 一般疑问 ___________________ 特殊疑问____________________ • 标志词|:____________________
16
• 2 标准词：so far/up to now (到目前为止） ;lately/recently(最近）
• Up to now/So far ,I haven’t been successful. • Lately/Recently,I haven’t seen my teacher.
17
总结
since（自从）+时间点
• I have studied English for ten years.= I have studied English since ten years ago.
注 意 ： 完 成 时 不 能 单 独 和 时 间 状 语 (two hours,three days,last week,four hours ago) 连 用 ， 必 须 加 上 for ,since.
5
• 标志词：already yet just
• already 用于肯定句中, 已经 :I have already had lunch.
• Yet
用于否定句 疑问句末
• Just:刚刚
还
已经
Have you had lunch_____? • I have ____ had lunch • I haven’t had lunch ____. • I have just had my lunch.
非延续性动词： buy borrow die leave begin/start come / go
finish 这些动词不能和 for …. Since……连用 与for和since连用时，要把它们变成相应的延续性动词
--------------------------------------------------------------------------------
现在完成时
1
• 现在完成时的含义 • 1.表示动作发生在过去，对现在造成的影响。
2
3
• I saw a movie. • I have seen the movie. • Have you ever been there?(八下Unit9) • I have never been camping. • 1.表示动作发生在过去，对现在造成的影响