现在完成时态公开课
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现在完成时(二)
1.现在完成时的第二种用法是什么? 2.常用的时间状语有哪些? 3.你能说出for 和since有什么不同吗?
现在完成时(二) ( present perfect tense)
past
present(now)
future
表示过去发生的动作,一直延续到现在.
read the book
have been to ,have gone to , have been in
现在完成时与一般过去时的区别
延续性动词与非延续性词
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1
基本构成与句式变换
现在完成时谓语动词的构成:
助动词have/has +V (pp.)(过去分词) He/She/It has … I/ We/You/ They have … 1. I have _____________(finish) homework finished already. 2. He has ___________(learn) English for learned three years.
had (have) lunch ?” Have you ____ • 1. ---“___ ---“Yes.” did you _____ have (have) it?” ---“When ____ had (have) it at 12:00.” ---“I ___ Have you _____ written(write) a letter to • 2. ---“____ your aunt yet?” have I wrote ---“Yes, I ____. ____(write) one last week.”
【复习目标】
1、知识目标: (1)熟记不规则动词的过去分词 (2)现在完成时的构成形式。 2、能力目标: (1)能够正确使用already, yet, ever, never, just before, recently, lately等标志词做时态题。 (2)能够正确迅速区分: have gone to / have been to / have been in 。 (3)能够正确使用for和since引导的时间状语。 (4)能用现在完成时描写自己的经历。
现在完成时态公开课
注:对for或since引导的时间状 语提问用how long
I have lived here for 10 years. How long have you lived here?
She has stood here since 2 hour ago. How long has she stood here?
__f_o_r __two days
__s_in_c_e__1997
__si_n_ce__yesterday
__fo_r___two weeks
__si_n_ce__I came here ___s_in_c_e _3 years ago
__si_n_ce__last Sunday __si_n_ce___ last month
The film has begun for 10 minutes.
been on
buy have/has had
leave have/has been away
come to have/has been in borrow have/has kept
go to have/has been in begin have/has been on
She has married for six years .
been married
buy have/has had
leave have/has been away
come to have/has been in borrow have/has kept
go to have/has been in begin have/has been on
anywhere. — I ____ it right here just now. But now it’s gone. A. did you put; have put B. have you put; put C. had you put; was putting D. were you putting; put
现在完成时公开课ppt课件
规则动词
• (1)一般动词,在词尾直接加“ ed ”。
• work---worked---worked ,visit---visited---visited
• (2)以“ e ”结尾的动词,只在词尾加“ d ”。
•
live---lived---lived
• (3)以“辅音字母 + y ”结尾的动词,将 "y" 变为 "i" ,再加 “ ed ”。
Revision of the Present Perfect Tense
现在完成时专讲
1
复习目录
• 现在完成时态的概念 • 现在完成时态的结构 • 现在完成时态的否定,疑问形式 • 现在完成时态的用法 • 现在完成时态与一般过去式的比较 • 现在完成时态练习
2
冬天来了,春天还会远吗?
If winter has already come, can spring be far behind?
3
1.现在完成时的概念
1)表示过去发生或已完成的动作对现在造成的影 响或结果;
2) 表示过去已经开始并一直持续到现在的动作或 状态。
E.g. He has learned English since 2001.
现在完成时
past 一般过去式
now 现在进行时
future 一般将来时
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一. 结构 1.肯定句: have / has + p.p.(过去分词) 2.否定句: have/has + not + p.p.(过去分词) 3.一般疑问句: Have / Has 提到句首 Yes, … have / has. No, … haven't /hasn’t.
九年级仁爱版英语上Unit-1-现在完成时态省公开课获奖课件说课比赛一等奖课件
film befornee.ver
注意:already用于 肯定 句; yet 用于 否定/疑问 句句尾
Exercises
▪ 1. I h__a_v_e_h_a_d_(have) lunch already. ▪ 2. Has the train_a_r_r_iv_e_d_ (arrive), yet? ▪ 3.Tom _h_a_s_ never__b_e_e_n_t_o(be to ) China. ▪ 4. The twin __h_a_s__just _s_e_e_n_(see) my
▪ have/has been in/at:呆在某地(表达某人 “已在某地停留一段时间,现仍在那里”, 其后常带表达一段时间旳状语)。
Exercises
▪ Tom 在哪儿? 他去书店买书了。 -Where is Tom?
-He has gone to the bookshop to buy some books. ▪ 我在北京待了5年了。
几种?
(1)、一般动词,在词尾直接加“ ed ”。 work---worked---worked visit---visited---visited
(2)、以“ e ”结尾旳动词,只在词尾加 “ d ”。
live---lived
(3)、以“辅音字母 + y ”结尾旳动词,将 “y” 变为 “i”,
▪ 用since或者for填空
▪ 1. My brother has worked in this shool ___s_in_c_e_ 2023.
▪ 2. The Germans have lived in the city ___fo_r__ ten yeas.
▪ 3. I have had this book _s_in_c_e__ two days ago.
注意:already用于 肯定 句; yet 用于 否定/疑问 句句尾
Exercises
▪ 1. I h__a_v_e_h_a_d_(have) lunch already. ▪ 2. Has the train_a_r_r_iv_e_d_ (arrive), yet? ▪ 3.Tom _h_a_s_ never__b_e_e_n_t_o(be to ) China. ▪ 4. The twin __h_a_s__just _s_e_e_n_(see) my
▪ have/has been in/at:呆在某地(表达某人 “已在某地停留一段时间,现仍在那里”, 其后常带表达一段时间旳状语)。
Exercises
▪ Tom 在哪儿? 他去书店买书了。 -Where is Tom?
-He has gone to the bookshop to buy some books. ▪ 我在北京待了5年了。
几种?
(1)、一般动词,在词尾直接加“ ed ”。 work---worked---worked visit---visited---visited
(2)、以“ e ”结尾旳动词,只在词尾加 “ d ”。
live---lived
(3)、以“辅音字母 + y ”结尾旳动词,将 “y” 变为 “i”,
▪ 用since或者for填空
▪ 1. My brother has worked in this shool ___s_in_c_e_ 2023.
▪ 2. The Germans have lived in the city ___fo_r__ ten yeas.
▪ 3. I have had this book _s_in_c_e__ two days ago.
现在完成时态课件
例如,“They has arrived.”(错误),应改为“They have arrived.”(正确)。
其他易错点提示
要点一
忘记在助动词后加动 词的过去分词形式
例如,“I have go to the park.” (错误),应改为“I have gone to the park.”(正确)。
感谢您的观看
不规则动词变化举例
be - was/were have - had
go - went
不规则动词变化举例
do - did see - saw
eat - ate
不规则动词变化举例
01
take - took
02
make - made
03
find - found
04
bring - brought
特殊情况处理技巧
例如
I have already finished my homework.(我已经完成我的作业了。)
否定句结构和用法
现在完成时态否定句的基本结构是
主语+have/has+not watched the movie yet.(她还没有看过那部电影。)
疑问句结构和用法
现在完成时态课件
contents
目录
• 现在完成时态基本概念 • 现在完成时态用法详解 • 动词变化规则及特殊情况处理 • 句子结构和用法举例 • 常见错误及注意事项 • 练习与巩固环节
01 现在完成时态基本概念
定义与用法
现在完成时态表示过去发生的动作对现在 造成的影响或结果,或表示从过去某个时 间点开始一直持续到现在的动作或状态。
经历与经验
现在完成时态还可以表示过去的经历或经验,这些经历或经验对现在的情况或 行为产生影响。例如,“He has traveled to many countries.”(他去过很多 国家。)
其他易错点提示
要点一
忘记在助动词后加动 词的过去分词形式
例如,“I have go to the park.” (错误),应改为“I have gone to the park.”(正确)。
感谢您的观看
不规则动词变化举例
be - was/were have - had
go - went
不规则动词变化举例
do - did see - saw
eat - ate
不规则动词变化举例
01
take - took
02
make - made
03
find - found
04
bring - brought
特殊情况处理技巧
例如
I have already finished my homework.(我已经完成我的作业了。)
否定句结构和用法
现在完成时态否定句的基本结构是
主语+have/has+not watched the movie yet.(她还没有看过那部电影。)
疑问句结构和用法
现在完成时态课件
contents
目录
• 现在完成时态基本概念 • 现在完成时态用法详解 • 动词变化规则及特殊情况处理 • 句子结构和用法举例 • 常见错误及注意事项 • 练习与巩固环节
01 现在完成时态基本概念
定义与用法
现在完成时态表示过去发生的动作对现在 造成的影响或结果,或表示从过去某个时 间点开始一直持续到现在的动作或状态。
经历与经验
现在完成时态还可以表示过去的经历或经验,这些经历或经验对现在的情况或 行为产生影响。例如,“He has traveled to many countries.”(他去过很多 国家。)
现在完成时讲解课件
现在完成时的基本句型:
肯定式:主语 + 助动词have/has + 动词的过去分词. 疑问式:助动词Have/Has + 主语 + 动词的过去分词? 否定式: 主语 + 助动词have/has + not + 动词的过去分词.
例句:
6. Has he gone to the library ? 他是去了图书馆吗? Yes ,he has. 是的,是去那里了。 No, he hasn’t. 不,他没去那里。
Eg. I have been here since 2000. I have been here since 5 years ago. I have been here since I graduated in 2000.
since , for 的用法:
since: (自…以来)
1)since+时间点 He has stayed here since 5 o’clock. 2)since+ 时间段+ ago He has stayed here since 5 hours ago. 3)since+ 从句 She has taught English since he came here.
现在完成时
现在完成时 ( present perfect tense)
past
present(now)
future
do my homework
现在完成时的构成
have (has)+ 过去分词
上一页
主菜单
下一页
Mother: John, clean your teeth please. John: Mum, I have already(已经) cleaned them.
现在完成时态公开课ppt课件
the Present Perfect Tense
Form: have/has + done Negative form: have/has not done Question form: Have/Has +主语+done
No Image
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
现在完成时 PK 一般过去时:
• 现在完成时: 强调动作对现在产生了结
果和影响.
2.一般过去时: 只表示过去的动作和状态.
强调动作. 若有时间状语:yesterday, last week,…ago, in1980, in October,
justNo Image
now,用一般过去时
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
Summary (4):
我们用现在完成时表示反复发生的动作。
• You don't need to describe her. I ___ her several times.
• While we have not dismissed the idea, we are looking into other possibility as well.
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
Form: have/has + done Negative form: have/has not done Question form: Have/Has +主语+done
No Image
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
现在完成时 PK 一般过去时:
• 现在完成时: 强调动作对现在产生了结
果和影响.
2.一般过去时: 只表示过去的动作和状态.
强调动作. 若有时间状语:yesterday, last week,…ago, in1980, in October,
justNo Image
now,用一般过去时
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
Summary (4):
我们用现在完成时表示反复发生的动作。
• You don't need to describe her. I ___ her several times.
• While we have not dismissed the idea, we are looking into other possibility as well.
严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
人教版初中英语现在完成时知识讲解公开课ppt课件
3.
— Has Tom left our town? — Yes, he has.
— And how long has he been away?
— About two hours.
疑问句:(疑问词)Have/Has + 主语 + 过去分词?
Time Expressions with Present Perfect Tense 现在完成时常用的时间短语
4 John Martin: Oh, look at that huge apartment block! Xiao Li: Yes, they have just completed it.
Conclusion:现在完成时表示一个到现在时间为止已
经完成了的、对现在有影响的动作或状态。(现在完成 时的已完成用法)
Conclusion: 现在完成时未完成用法往往同包含现在时间 在内的时间状语连用, 如so far, up to now, till now, all one’s life等。
Time Expressions with Present Perfect Tense 现在完成时常用的时间短语
1 We have often been there. 2 I have sometimes had letters from him.
2 Up to now, I’ve understood everything the teacher’s said.
3 We’ve had very good weather this winter, till now.
4 Am I right in thinking that you've lived here all your life?
现在完成时完整版本ppt课件
4.Mr Green has worked here _s_in_c_e__ he came to China.
5.His grandpa has been dead __f_o_r__ several years.
.
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严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
yet. 3.We __h_a_v_e_ never __s_e_en__ (see) this book
before.
5.Mother __h_a_s_ just _c_le_a_n_e_d_(clean) the house.
6.Sally _h_a_s__vi_s_it_e_d_(visit) China before.
.
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严格执行突发事件上报制度、校外活 动报批 制度等 相关规 章制度 。做到 及时发 现、制 止、汇 报并处 理各类 违纪行 为或突 发事件 。
举例:
1.我买了这本书五年了。 I have bought this book for five years. ( F ) I have had this book for five years. ( T ) 2.这位老人已经死了十年了。 The old man has died for ten years. ( F ) The old man has been dead for ten years. ( T )
3. He hasn’t returned (not return) the book yet. 三、判断正误:(2分,每题1分)
1.他爷爷已经去世三年了。
His grandpa has died for 3 years.( F) 2. 他去过北京。
现在完成时公开课ppt课件
14
注意点一:
since 的用法
1.
+具体的过去时间
since 2008
since
since last Sunday
+…ago since two years ago
+句子(过去时)
2. It is /has been +一段时间 + since 从 句.(自从某事发生已有一段时间了. )
It is /has been two years since my brother joined the army.
4.He has taught English since he came here.
13
练一练:用for和since填空。
__f_o_r__three hours __f_o_r___a week _s_in_c_e__three o’clock ___f_o_r __a long time
__f_o_r __two days
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already和yet的区别
already常用于肯定句中或句末; yet常用于一般疑问句或否定句末。 但表惊讶时already也可用于疑问句。
e.g. 1.Tom has already finished his work. 2.Tom hasn’t finished his work yet. 3.What!Have you already finished it?
4. 这本书我已借了4个月了.
I have borrowed the book for 4 months.
X X
X X
实义动词分为: 1) 瞬间动词 (die, join, leave, borrow等) 2)延续动词 (wait, know , learn 等)
现在完成时的被动语态公开课课件
瞬间动词和持续动词的被动语态
瞬间动词的被动语态
例如
有些瞬间动词可以转换为被动语态,表示 动作的结果或状态。
The book has been finished by him. 这 本书已经被他读完了。
持续动词的被动,表 示动作正在进行或状态正在持续。
The book is being read by many people. 这本书正在被很多人读。
现在完成时的被动语态作定语
总结词
现在完成时的被动语态可以作定语,修饰名词或代词,表示 名词或代词的性质或状态。
详细描述
现在完成时的被动语态作定语时,通常放在被修饰词后面, 形成“名词 + have/has been + 过去分词”的结构。例如, “The house that has been built last year is very漂亮.” (去年建的那所房子非常漂亮。)
05
现在完成时的被动语态与情态 动词的关系
情态动词+have been done 的用法
情态动词+have been done 用 于表达某件事情已经完成,且强
调动作的完成状态。
例如:I have been told that the company will be merged with another one.(我被告知公 司将被合并到另一家公司。)
现在完成时的被动语态与时间状语的关系
常见的时间状语包括
already, yet, ever, never, before等。
e.g.
The book has not yet been read by me. (还没有)
e.g.
The book has already been read by me. (已经)
现在完成时态演示课件
❖
I have seldom watched cartoons these
days.(这几天的情况)
❖
I seldom watch cartoons. (一贯如此)
•8
Adverbs of time
already ever
yet
never
just
these days
recently in the past ten years
× When have you seen him?
When did you see him?
When不与现在完成时连用。它只有过去时 或将来时,因为它表示确切的时间。
•10
❖
用法二:
表示过去某个时间开始的动作 或存在的状态,一直持续到现
在并可能还将持续下去。动词
使用延续性动词。常与for或
since引导的时间连用
•14
have/has gone to have/has been to have/has been in
have/has been in:表示某人“已在某地停留 一段时间,现仍在那里”,其后常带表示 一段时间的状语。 I have been in Britain for then years.
•15
❖ leave
be away
❖ buy
have
❖ join
be in/a member of
❖ start/begin be on
❖ finish/ end
be over
❖ die
be dead
•22
Exercises
❖ His father has died. (for 2 years) His father has been dead for 2 years.
初中九年级英语《现在完成时》复习公开课PPT课件
QUIZ:
1.Great changes _h_a_v_e_ta_k_e_n_ (take) place in__t_h_e_p_a_s_t__fe_w___y_e_a_rs.
2He _h_as___g_o_n_e_(go) to Beijing. He _w__i_l_l_c_o__m__e__b_a_c__k__to__m__o_r_r_o__w.
Review & take notes 复习背记并整理笔记
前情回顾:现在完成时小结 助动词have/ has + done
(一)表示过去发生的动作或已完成的动作对现在造成的影响。 时间状语 just;already; yet ; ever ; never; recently,
lately, before, twice, …
(二)表示过去发生的动作一直持续到现在,有可能继续下去. (延续性动词)
1 -- Where is Jack? -- He _h_a_s_g_o_n_e_t_o the park.
2 -- __H_a_v_eyou_e_v_er b_e_e_n__t_o_ Paris? -- No, I _h_a_v_e_ never _b_e_e_n__ t_h_e_r_e_.
3 Mary _h_a_s_b_e_e_n__in_ Shanghai _si_n_c_e five years ago.
3My parents _m_a_r_r_ie_d__(marry) in__2_0_0_0_, theyh_a_v_e_b_e_e_n__m_a_r_ri_e_d(marry) fo_r _tw__e_n_ty__y_e_ar_s.
4We _h_a_v_e__p_l_a_n_te_d__(plant) two thousand trees _s_o_f_a_r_.
《现在完成时态》课件
添加副标题
现在完成时态
汇报人:PPT
目录
CONTENTS
01 添加目录标题
02 现在完成时态的定 义
03 现在完成时态的用 法
04 现在完成时态的特 殊用法
05 现在完成时态的注 意事项
06 练习与巩固
添加章节标题
现在完成时态的定义
定义:现在完成时态表示过去发生 的动作对现在产生的影响或结果, 强调动作的完成和影响。
现在完成时态与“for + 时间段”连用:表示从过去某一时刻开始,持续到现在的动 作或状态。
现在完成时态与“since + 时间点”连用:表示从过去某一时刻开始,持续到现在 的动作或状态。
现在完成时态与“for + 时间段”和“since + 时间点”连用:表示从过去某一时刻 开始,持续到现在的动作或状态。
03
过去时态通常用于描述一次性的动作 或状态,现在完成时态通常用于描述 多次发生的动作或状态。
过去时态通常与明确的时间状语连 用,如yesterday, last week 等, 现在完成时态通常与表示一段时间
的状语连用,如since, for等。
02
过去时态通常用于描述过去的事实或 经历,现在完成时态通常用于描述现
在的事实或状态。
04
与现在时态的区别
现在完成时态表示过去发生的动作对现在产生的影响或结果,而现在时态表示正在进行的动作或状态。
现在完成时态通常用于描述已经完成的动作或状态,而现在时态通常用于描述正在进行的动作或状态。
现在完成时态通常用于描述过去发生的动作或状态对现在产生的影响或结果,而现在时态通常用于描述正在进行的动 作或状态。
翻译句子:我已经完成了作业。 翻译句子:我已经吃过午饭了。 翻译句子:我已经看过这部电影了。 翻译句子:我已经去过那个地方了。
现在完成时态
汇报人:PPT
目录
CONTENTS
01 添加目录标题
02 现在完成时态的定 义
03 现在完成时态的用 法
04 现在完成时态的特 殊用法
05 现在完成时态的注 意事项
06 练习与巩固
添加章节标题
现在完成时态的定义
定义:现在完成时态表示过去发生 的动作对现在产生的影响或结果, 强调动作的完成和影响。
现在完成时态与“for + 时间段”连用:表示从过去某一时刻开始,持续到现在的动 作或状态。
现在完成时态与“since + 时间点”连用:表示从过去某一时刻开始,持续到现在 的动作或状态。
现在完成时态与“for + 时间段”和“since + 时间点”连用:表示从过去某一时刻 开始,持续到现在的动作或状态。
03
过去时态通常用于描述一次性的动作 或状态,现在完成时态通常用于描述 多次发生的动作或状态。
过去时态通常与明确的时间状语连 用,如yesterday, last week 等, 现在完成时态通常与表示一段时间
的状语连用,如since, for等。
02
过去时态通常用于描述过去的事实或 经历,现在完成时态通常用于描述现
在的事实或状态。
04
与现在时态的区别
现在完成时态表示过去发生的动作对现在产生的影响或结果,而现在时态表示正在进行的动作或状态。
现在完成时态通常用于描述已经完成的动作或状态,而现在时态通常用于描述正在进行的动作或状态。
现在完成时态通常用于描述过去发生的动作或状态对现在产生的影响或结果,而现在时态通常用于描述正在进行的动 作或状态。
翻译句子:我已经完成了作业。 翻译句子:我已经吃过午饭了。 翻译句子:我已经看过这部电影了。 翻译句子:我已经去过那个地方了。
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Summary (1):
我们用现在完成时谈论发生在过去, 但是对现在仍有影响的事.
现在完成时 PK 一般过去时:
1. She has cleaned the room.
(房子现在是干净的)
1.She cleaned the room. (房子现在是否干净不知道)
现在完成时 PK 一般过去时:
1.现在完成时: 强调动作对现在产生了结
Summary (4):
我们用现在完成时表示反复发生的动作。
1.You don't need to describe her. I ___ her several times. A. had met B. have met C. met D. meet
I
______________(read) have read your article three times.
have just The police __________ finished __________
(just finish)
searching the area.
have just arrived “I ____________(just arrive) by train.” she said.
—Where _________ B the recorder? I can’t see it anywhere. — I ____ it right here. But now it’s gone. A. did you put; have put B. have you put; put C. had you put; was putting D. were you putting; put 第一个空“放”这个动作强调对现 在的影响,“我找不到”第二个空 “放”指过去的一个动作
The boy has already come here.
I haven’t heard anything from him yet. Notes 1: 我们肯定句中用 already , 否定句或疑问句中用yet.
用never, ever, already, yet, 填空 never seen him before, so I 1. I have _______ have no idea about him. already finished his 2. Jack has _________ homework since an hour ago. 3. Mr. Wang hasn’t dismissed the idea yet ____. ever 4. “Have you ________ seen the film?” never seen it.” “No, I have ________ yet 5. “Has the bus left _______?” “Yes, it already left.” has _________
I have known him for a long time.
He has not completed the work.
Has the postman come yet this morning?
the Present Perfect Tense
Form: have/has + done Negative form: have/has not done Question form: Have/Has +主语+done
Summary (2):
我们用现在完成时谈论开始于过去, 并且还持续到现在的事。
I have not seen Justin since last Friday night.
Exercise
has gone Beth isn’t here. She_________(go) to Beijing.
B 2.I bought a new house, but I ___ my old one yet, so at the moment I have two houses. A. didn’t sell B. haven’t sold studied 3.I ______ (study) in Zhentou middle school for three years, but now I’m is dirty. D — I know. It ________ for weeks. A. hasn’t cleaned C. wasn’t cleaned B. didn’t clean D. hasn’t been cleaned
Summary (3):
我们用现在完成时谈论刚刚完成的 动作。
Look, the window is open. Eric opened the door just now.
has already opened Eric _____________ (already open) the window.
过去的动作: Eric opened the window. 也与现在相关: The window is open.)
果和影响. 2.一般过去时: 只表示过去的动作和状态. 强调动作. 若有时间状语:yesterday, last
week,…ago, in1980, in October,
just now,用一般过去时
wrote 1.Tom _____(write) a letter to his mother last night.
Summary (5):
当某个行为发生的确切时间不很清楚或 不重要. 出现下面的这些时间表达方式 我们用现在完成时:
already, ever, for, just, lately, never,
recently, since, yet, so far,by的短语,
in the past/last+段时间
It’s well written.
Read the following sentences:
Have you watched any good shows lately/recently?
Great changes have taken place in China in the past fifty years. We have learned 1000 words by now/ up to now/ so far.