2022年初中英语：现在完成时的时间状语
现在完成时的时间状语
(1)现在完成时属于现在时范围，故不能和过去的时间状语连用。如：yesterday,last Sunday,in1990,three yearsago等。但是，在强调动作产生的后果和影响时，可以和一些表示不确定的时间状语连用。
a. 用副词already和yet。already一般用于肯定句中，yet一般用于否定句和疑问句中。
如：We have already finished ourhomework.我们已完成作业了。
They haven't finished their homework yet.他们还没有完成作业。
b.用ever 和never。多用于否定或疑问句中，表示“曾经”或“从未“等。
如：-Have you ever been to the Great Wall?你曾经去过长城吗?
-I have never been to the Great Wall.我从未去过长城。
c.用表示到说话为止的过去时间状语，如just, before, up to now, the past few years等。
例如：I haveseen her before, but I can not remember where.
我以前见过她，但记不起在哪里见过。
Hehas been there three times the last few days.
近几年他去过那里三次了。
d.用包括“现在”在内的时间状语，如：now, today, this morning (month ,year,term)等。
例如：-Haveyou met him today?-No,I haven't.
今天你见过他吗?我没有。
Howmany times have you been there this year?
今年你去过那里多少次?
(2)现在完成时可以和带有since或for等表示“一段时间”的状语连用,表示动作或状态从某一时刻开始，一直持续到现在。如：I haven't seen him for two years. 但是，像come, arrive, buy等终止性动词不能与表示“一段时间”的状语连用。要用，必须改为“be(在)”等延续性动词来表述
现归纳总结一下由非延续性动词到延续性动词的转换：
arrive→behere
begin(start)→be on
die→bedead
come back→be back
leave →beaway
fall ill(sick,asleep)→be ill(sick,asleep)
get up→beup
go out→be out
finish →beover
put on→wear 或be on
open →be open
join→be in或 be amember of…
close→beclosed
go to school→be a student
borrow →keep
buy→have
catch(a cold)→ have(a cold)
get to know →know
begin tostudy→study
come to work→work等
如：He has been a soldier for three years.他参军三年了。
His father has been dead for two years.他父亲去世二年了。
The film has been on for ten minutes.电影已开始十分钟了。
We have studied English for three years. 我们(开始)学英语已三年了。
相关推荐：
关注中考网微信公众号
每日推送中考知识点，应试技巧
助你迎接2022年中考！
