现在完成时讲解课件..pptx

❖ 8.What time have the factory opened?
did
open
❖ 9.I have gone to Chunhua Middle School twice been to
Exercises
❖ I am an American boy I came to China two years ago. Ihave s_tu_d_ie_d_(study) here for two years. My father often takes(take) me_to__pl_ay_ (play) football on the playground.
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.Tome _h_a_s_ never_b_e_e_n__to_ (be to ) China. ❖ 4. The twin __h_a_s__just _s_e_e_n_(see) my
❖ 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。
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。
eg.1. He had his breakfast at 6:00 He has had his breakfast.
2. When did you come here? I watched the football match on TV at 9:00.

• 你已经找到你的书了吗? (find-found) Have you found your book yet?
• 他们在这个城市建了许多房子. (build-built) They have built many buildings in this city.
• Judy还没到达. (arrive-arrived) Judy hasn’t arrived yet.
comb your hair ------ have combed it wash your hands ----- have washed them study for English test ----- have studied for it tell me the truth -----have told you everything visit your grandpa ----- have visited him listen to the English tape ----- have listened to it
Invention newspaper canned food
Date 1610 1823
sewing machine(缝纫机) airplane plastic(塑料)
1851 1903 1907
People have read newspaper since 1610 . People have read newspaper for about 400 years.
采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在 管材垂 直角切 断管材 ，边剪 边旋转 ，以保 证切口 面的圆 度，保 持熔接 部位干 净无污 物
Father: Tell your sister to buy some milk, John.

for
since
for
since
for
since
练习题: 1.It's a long time since we ____ (meet) last, isn't it? 2.--I know you ___________ (choose) a picture book among these. --Yes,Have a look at it, please. 3.So far, spaceships without people ___________ (reach) the moon and some other parts of the universe. 4.My father____ home for nearly three weeks. A.has gone away from B.has left C.has been away from D.went away 5.Mr. and Mrs. Green have_____in China for a week. A.been B.got C.arrived D.reached
eg.--- I’ve lived here for 15 years. eg.--- I’ve lived here since 15 years ago(1990)
选用for和since填空: 1.We haven’t seen each other ______ a long time. 2.His father has been in the factory ______ 10 years ago. 3.The film has been on ______ 20 minutes. 4.Mr Green has worked here ______ he came to China. 5.His grandparents have been dead ______ several years. 6. It’s five years _______ we met last time

B: Where did you buy it?
A: I bought it in my hometown. A: have you seen the film? B: Yes, I have. A: When did you see it? B: I saw it last Sunday.
现在完成时不能与表示过去的时间状语连 用，常与之连用的时间状语有：
6. Mr. Brown has had his TV __f_o_r__ 15 years. 7. I’ve taken driving lessons __s_in_c_e__last month.
8. My sister has had her cell phone _f_o_r___a month .
He studied English for five years.
（只说明他过去学过五年英语，但现在不学了。）
❖ I’ve lived here for ten years. 我在这里住了 10年。(现在仍住这儿)
❖ I lived here for ten years. 我在这里住过10 年。(现在不住这儿了)
再加“ ed ”。 ， study---studied---studied
cry---cried---cried
(4)、重读闭音节结尾，末尾只有一个辅音字母， 先双写该辅音字母，再加“ ed ”。
stop---stopped---stopped drop---dropped--dropped
2、不规则变化
当有 so far, in/during/over the past/ last few days(在过去/最近的几年里)，since 接过去时间状语或过去时的句子等常用 现在完成时 (不能与确定的时间)

yet for just before
ever
never since so far
already
up to now
have planted They ______________over 20,000 fruit
trees up to now . (plant )
Key words
yet for just before
否定句:句末 “还(没)” I haven’t had breakfast yet.
疑问句: 句末 “己经” Have you had breakfast yet?
注意：当在肯定句中含already或 just，变否定时，在句末加yet。
●
I have already seen the film. I haven’t seen the film yet.
Key words
yet for just before
ever
never since so far
already
have only ____________ discussed the first We _______
five questions so far. (discuss )
Key words
现在完成时
The Present Perfect Tense
一 构成:
have/has+动词过去分词 (pp)
肯定 主语+have/has + pp 否定 主语+have/has not + pp 疑问 Have/Has + 主语+ pp+其他 Yes, 主+have/has. No, 主+haven’t/hasn’t.

结构不同
过去完成时由“had+过去分词”构成，而现在完成时由 “have/has+过去分词”构成。
动作的完成情况不同
过去完成时表示动作在过去某一时间之前已经完成，而现在完成时 则表示动作在过去发生后对现在造成了影响或结果。
PART 05
现在完成时的常见错误
REPORTING
忽略现在完成时的使用场合
PART 03
现在完成时的特殊用法
REPORTING
与already连用的用法
总结词
already是现在完成时的常用副词之一，用于表达某件事情已经完成或已经发 生。
详细描述
在现在完成时中，already通常用于肯定句中，表示某件事情已经完成或已经发 生，常与have或has连用。例如，“I have already finished my homework.”（我已经完成了我的作业）。
总结词
不重视现在完成时的应用场景
详细描述
有些英语学习者在运用现在完成时的时候， 不注意它所适用的场合。现在完成时主要用 来描述过去发生的动作或状态对现在造成的 影响或结果，比如：“I have finished my homework”（我已经完成了我的作业）。
混淆现在完成时与一般过去时的使用场合
现在完成时ppt课件
REPORTING
• 现在完成时的定义和构成 • 现在完成时的基本用法 • 现在完成时的特殊用法 • 现在完成时与一般过去时的区别 • 现在完成时的常见错误 • 现在完成时练习题及答案解析
目录
PART 01
现在完成时的定义和构成
REPORTING
现在完成时的定义
现在完成时是英语语法中的一种时态 ，通常由助动词have/has + 过去分 词构成，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。

I studied English ten years ago.
（come来到某地….
left the team
has been on C.
表示动作发生在过去，对现在造成的影响。
)
be over
went to bed
填空使用for和since
Tom ___for several hours.
表示动作发生在过去，对现在造成的影响。
• She has lived here ______1996.
• 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.
3. He bought the motorbike a month ago.
---He ____ ____ the motorbike for a month. 4. He arrived here three days ago.
--- He ____ ____ here since three days ago. 5. They turned off the light 2 hours ago.
(finish结束....)
be over
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.
了borrow He has borrow the book. (1）He has kept the book for 2 months . (2) He has kept the book since 2 months ago.

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.
.
14
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.
.
18
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。

翻译题练习
翻译题1：我已经完成了 作业。
翻译题2：他已经看过这 部电影。
翻译题3：她已经吃过午 饭。
翻译题4：他们已经去过 那个地方。
写作题练习
描述过去发生的事件对现在的影响 描述过去完成的动作对现在的影响 描述过去持续的动作对现在的影响 描述过去完成的动作对将来的影响
YOUR LOGO
THANK YOU
现在完成时通常与表示一段时间的状语连 用，如"for+一段时间"、"since+时间点" 等，一般过去时通常与表示时间点的状语 连用，如"yesterday"、"last week"等。
02
现在完成时通常用于描述经常发生的动作或状 态，一般过去时通常用于描述偶尔发生的动作
或状态。
04
语义上的区别
现在完成时：强 调过去发生的动 作对现在的影响 或结果
用于描述过去发 生的动作或状态 ，对现在产生影 响
用于描述过去发 生的动作或状态 ，对现在产生影 响，强调动作或 状态的完成
现在完成时与一般
04
过去时的区别
用法上的区别
01
现在完成时表示过去发生的动作对现在产生的 影响或结果，一般过去时只表示过去发生的动 作。
03
现在完成时通常用于描述已经完成的动作或状 态，一般过去时通常用于描述已经结束的动作 或状态。
一般过去时：只 表示过去发生的 动作，不涉及对 现在的影响或结 果
现在完成时：常 用于描述已经完 成的动作或状态
一般过去时：常 用于描述过去发 生的动作或状态， 不涉及是否完成
语境上的区别
现在完成时：强调过去发生的动作对现在的影响或结果

二、含义:
(定义一)表示过去发生的动作或事 情对现在的影响和产生的结果.它 强调的是过去的动作同现在的联 系.常用的时间状语有already, yet, ever, never, just, before等.
经 营 者 提 供 商品或 者服务 有欺诈 行为的 ，应当 按照消 费者的 要求增 加赔偿 其受到 的损失 ，增加 赔偿的 金额为 消费者 购买商 品的价 款或接 受服务 的费用
3） ABC型(三种都不一样) 如：begin-began-begun
grow grew grown ring rang rung break broke broken 4）ABA型(原形与过去分词相同) 如: come-came-come become became become run ran run
5. just在现在完成时中的用法 用于句中, 表示“刚刚” Eg. I’ve just had breakfast. What have they just done?
经 营 者 提 供 商品或 者服务 有欺诈 行为的 ，应当 按照消 费者的 要求增 加赔偿 其受到 的损失 ，增加 赔偿的 金额为 消费者 购买商 品的价 款或接 受服务 的费用
经 营 者 提 供 商品或 者服务 有欺诈 行为的 ，应当 按照消 费者的 要求增 加赔偿 其受到 的损失 ，增加 赔偿的 金额为 消费者 购买商 品的价 款或接 受服务 的费用
注3): 短暂性动词不能和for或since引 导的时间状语连用, 当然也不能用于 how long引导的问句中.
Eg.(误)I have left there for 5 years. (正)I have been away there for 5
2. yet在现在完成时中的用法

• 2. We went to the USA last Monday. Today is Monday . We h_a_v_e_s_t_a_y_ed_ (stay) in the USA since last Monday.
since and for
The woman has worked at this school for 2 years.( since two years ago)
4. 现在完成时常常与表示频度的时间状语 连用,如often, sometimes, ever, never, twice, on several occasion等:
Have you ever been to Beijing？ I have never heard of Bunny. I have used this pen only three times. George has met that gentleman on several occasions.
__f_o_r __two days
__s_in_c_e__1997
__si_n_ce__yesterday
__fo_r___two weeks
afternoon
___s_in_c_e _three years
__si_n_ce__I came here ago
__si_n_ce__last Sunday __s_in_c_e__ last month
for + 时间段 for 2 years/a long time
since+时间点 since 2 years ago
since 1998 since she came to the school)
一、用for和since填空。

翻译句 子：
1. 吉姆买了这只钢笔两年了。
2. 李雷已经入党两年了。
3. 那部电影开始30分钟了。 ○ Jim ____ _____the pen for two years. ○ Li Lei ____ ____ ____the Party for two years. ○ The film ____ ____ _____for thirty minutes.
•常见非延续性动词与延续性动词(或状态动 词)的对应关系如下: •open--b--e- open close-b--efall asleep--b-e- asleep closed
•die----b--e dead becombe---
•begin/start---b-e- on
•come/go/arrive/get/reach/mobveei-n-/--a-t-
have/has been in
1.Where is Jim? Hheas gone
Wuhan.
to have been
2. My parenttos
the Great Wall
tHwaicvee. They likbeetehnerteo very much.
•
yohuasever
valley?
曾经去过某地（表示某人的一种 经历）,可与once, twice, already, ever, never等连用。
逗留在某地(已经一段时间)，常 3.Say the differences:和hheafvroee/r等htaes连nb用eden。atyos,since I came
have/has gone to
时间 状语：
already, yet, ever, never, just, before；