初中英语2026届中考语法知识讲解(现在完成时+过去完成时)
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这是一份初中英语2026届中考语法知识讲解(现在完成时+过去完成时),共3页。学案主要包含了现在完成时,过去完成时等内容,欢迎下载使用。
(一)核心概念:连接过去与现在
动作发生在过去,但强调的不是动作本身,而是与现在的关系或影响。
影响现在:I have lst my key.(钥匙丢了,现在开不了门。)
持续到现在:He has lived here fr 10 years.(从过去开始住,现在仍住在这里。)
经历:We have visited Beijing twice.(过去去过,现在有这段经历。)
(二)基本结构
公式:have/has + 过去分词
肯定句:I have finished hmewrk.
否定句:She has nt seen the mvie.
疑问句:Have yu eaten breakfast?
动词变形规则:
1.常规动词:wrk → wrked
2.以e结尾:live → lived
3.辅音+y结尾:study → studied
4.重读闭音节:stp → stpped
5.必背不规则动词:
g → gne
see → seen
d → dne
(三)核心用法(重点)
1.已完成动作(对现在造成影响)
She has left.(她离开了 → 现在不在这里)
I have lst my keys.(钥匙丢了 → 现在打不开门)
2.持续状态(仍在进行)
He has taught here fr 20 years.(教书20年 → 仍在任教)
They have knwn each ther since 2010.(从2010年相识 → 至今仍是朋友)
(四)关键标志词 (常与以下词连用)
1.“已完成”或“经历”类 (常与短暂性动词连用):
already(已经,常用于肯定句):She has already finished her hmewrk.
just (刚刚):I have just had breakfast yet(还/已经,常用于否定句和疑问句句末):Have yu dne it yet?/ N, nt yet.
ever(曾经,常用于疑问句):Have yu ever been t Shanghai?
never(从不):I have never seen such a beautiful sunset.
befre(以前):I have met him befre.
2.“持续”类 (常与延续性动词连用):
fr + 一段时间` (表示动作持续了多久):We have knwn each ther fr five years.
since + 过去时间点/从句 (表示动作从何时开始持续):He has wrked here since 2020./ She has been ill since last Mnday.
s far(到目前为止):S far, we have learned 1000 wrds.
recently/lately(最近):I haven't seen him recently.
in the past/last few years (在过去的几年里):Great changes have taken place in my hmetwn in the past few years.
(五)黄金时间状语(必背清单)
高频连用词:
already(肯定句) | yet(疑问/否定句) | just | ever | never
befre | recently | s far | up t nw
禁用词:
yesterday, last week, 等明确过去时间
(六)VS一般过去时(高频易错!)
现在完成时:关联现在
I have read the bk.(已读完 → 知道内容)
一般过去时:仅描述过去
I read the bk yesterday.(昨天读了 → 不涉及现在状态)
(七)have been t/gne t(必考辨析)
have been t:去过已回(可接次数)
She has been t Paris twice.
have gne t:去了未归
"Where is Tm?" "He has gne t the library."
have been in:持续停留
We have been in Beijing fr 3 mnths.
(八)瞬间动词转化技巧(提分关键!)
不可直接接 fr/since!必须转换:
buy → have(拥有)
die → be dead(死亡状态)
jin → be a member f(是成员)
brrw → keep(保存)
pen → be pen(开着状态)
典型错误修正:
错误:His grandfather has died fr 10 years.
正确:His grandfather has been dead fr 10 years.
(九)易错点重点提醒
1.have/has been t vs.have/has gne t:
have/has been t:去过某地(现在已回来,强调经历)。He has been t Lndn.(他去过伦敦,现在不在了。)
have/has gne t:去了某地(现在还在那里或在途中,人不在此地)。He has gne t Lndn.(他去伦敦了,现在不在这里。)
2.瞬间动词的持续表达:
buy, die, jin, leave, cme, begin/start等表示短暂动作的动词,不能直接与 fr/since等表示一段时间的状语连用表示持续。
正确转换:
buy-> have/has had(拥有)
die-> have/has been dead(去世状态)
jin -> have/has been in/ a member f(成为成员)
leave-> have/has been away (frm) (离开状态)
cme->have/has been here/in...(在...地方)
begin/start-> have/has been n (进行中) 或 fr接时间段放句末。
错误:His father has died fr three years.
正确:His father has been dead fr three years.或 His father died three years ag.
(十)解题锦囊 (应试关键)
1.找标志词!看到 already, just, yet, ever, never, befre, fr, since, s far, recently, in the past...等词,优先考虑现在完成时。
2.看语境!句子强调的是过去动作对现在的影响、结果、经历还是持续状态?是就选现在完成时。
3.辨动词!区分动作是短暂性还是延续性,特别是遇到 fr/since时,瞬间动词要转换表达。
4.记结构!have/has + 过去分词是根本,主谓一致别忘记 (has用于第三人称单数)。
二、过去完成时
(一)核心概念
表示在过去某个时间点之前已经发生或完成的动作,即"过去的过去"。
结构:
had + 过去分词 (V-ed/不规则动词过去式)
e.g.
She had finished her hmewrk befre dinner.
(在晚饭前,她已完成作业 → "完成"发生在"吃晚饭"之前)
(二)使用场景
1.动作先后关系
主句(过去完成时) + befre/by the time+ 从句(一般过去时)
The train had left befre I arrived.
(我到时火车已开走)
2.因果解释
用过去完成时说明原因
He was sad because he had failed the exam.
(考试失败是"悲伤"的原因)
3.叙述故事背景
在讲故事时描述更早的事件
When I pened the windw, the bird had flwn away.
(三)重要标志词
by the time...(到……时候为止)
befre...(在……之前)
after...(在……之后)
when...(当……时,从句用一般过去时)
already/just(已经/刚刚)
例:By 2020, he had lived in Beijing fr 10 years.
(到2020年为止,他已在北京住10年)
(四)易错点提醒
过去完成时 ≠ 一般过去时
过去完成时强调动作的先后顺序,一般过去时只陈述事实。
He lcked the dr after he went ut.(错误:逻辑矛盾)
He lcked the dr after he had gne ut.
("出去"发生在"锁门"之前)
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