1)过去时表示过去某时发生的动作或单纯叙述过去的事情,强调动作;现在完成时为过去发生的,强调过去的事情对现在的影响,强调的是影响。
2)过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。
一般过去时的时间状语:
yesterday,
last week,…
ago,
in1980,
in October,
just now, 具体的时间状语
http://
yingyu.
chazidian.
com共同的时间状语:
this morning,
tonight,
this April,
now,
once,
before,
already,
recently,
lately 现在完成时的时间状语
for,
since,
so far,
ever,
never,
just,
yet,
till /
until,
up to now,
in past years,
always,
不确定的时间状语
3)现在完成时可表示持续到现在的动作或状态,动词一般是延续性的,如
live,
teach,
learn,
work,
study,
know.
过去时常用的非持续性动词有
come,
go,
leave,
start,
die,
finish,
become,
get married等。
举例:
I saw this film yesterday.
(强调看的动作发生过了。)
I have seen this film.
(强调对现在的影响,电影的内容已经知道了。)
Why did you get up so early?
(强调起床的动作已发生过了。)
Who hasn’
t handed in his paper?
(强调有卷子,可能为不公平竞争。)
She has returned from Paris.
她已从巴黎回来了。
She returned yesterday.
她是昨天回来了。
He has been in the League for three years.
(在团内的状态可延续)
He has been a League member for three years.
(是团员的状态可持续)
He joined the League three years ago.
( 三年前入团,
joined为短暂行为。)
I have finished my homework now.
---
Will somebody go and get Dr.
White?
---
He’
s already been sent for.
句子中如有过去时的时间副词(如
yesterday,
last,
week,
in 1960)时,不能使用现在完成时,要用过去时。
(错)
Tom has written a letter to his parents last night.
(对)
Tom wrote a letter to his parents last night.
【比较过去时与现在完成时】相关文章:
★ 高中语法讲解:比较过去时与现在完成时的区别是什么
★ 现在完成时 Present perfect
★ 现在完成时语法练习及答案
★ 初中英语语法:现在完成时练习题
★ 小学英语语法 现在完成时的用法
★ 初中英语现在分词的变化规则
★ 数词担当的句子成分
★ 初中英语语法现在进行时语态详解
★ 初中英语现在完成时的句型
★ 初中英语现在完成时态讲解与练习课件