初中现在完成时讲解(完整版)
初中现在完成时讲解完整版演示文稿

现在完成时的结构
主语 + have/ has + 过去分词(pp)
注:主语若是第三人称单数助动词用 has
否定形式 haven’t ( have not ) +过去分词 hasn’t ( has not ) +过去分词
疑问句 把助动词 have / has 放在句首
第六页,共22页。
put —put—put
let—let—let
read—read—read
第十一页,共22页。
• 5 不规则变化 (A-B-A)
come – came –come become –became –become
第十二页,共22页。
现在完成时的用法
1) 表示到现在为止已经完成或刚刚完成的动作。 Now we have planted all the trees. He has just come back. They have built many buildings in this city.
She has been to China . 她(曾经)去过中国。(人已经回来了)
She has gone to China. 她去了上海 。(人可能回来了也可能没回来)
have been to someplace. 曾经去过某地,已经回来. has gone to someplace.某人去了某地,还没有回来.
—Yes, I ___________ New York twice.
3. —Here you are at last! Where _____ you _____?
—I _____________ London.
4. —David _____________Australia. —I’m sure he’s already arrived.
初中现在完成时讲解与练习课件

填空题练习
总结词:测试对现在完成时的运用
01
A. has bought, has read B. bought, read
03
02
练习1:He _______ many books, but he _______ none of them yet.
04
C. has bought, read has read
时间状语使用不当
总结词
时间状语使用不当,导致时态使用错误。
详细描述
时间状语是用来表示动作发生的时间的词语。在使用 现在完成时时,学生常常因为时间状语使用不当而导 致时态错误。例如,学生可能会将“yesterday”误 用于现在完成时,因为“yesterday”表示过去时间 ,而现在完成时强调的是对现在的影响或结果。因此 ,正确的时间状语应该是表示一段时间的词语,如 “in the past few years”等。
现在完成时是英语语法中的一种时态,它表示某个动作在过 去已经发生,但这个动作对现在的情况产生了影响或结果。 这个时态强调的是动作和现在的关系,而不是动作发生的确 切时间。
ቤተ መጻሕፍቲ ባይዱ
结构
总结词
现在完成时的基本结构是“主语 + have/has + 过去分词”。
详细描述
现在完成时的结构包括“主语”、“have/has”和“过去分词”。其中,“主 语”是执行动作的人或事物;“have/has”是助动词,表示动作的完成状态; “过去分词”是动词的过去形式,表示动作已经发生。
yet
总结词
表示动作尚未完成
详细描述
yet是现在完成时的另一个标志词,用于否定句或疑问句中,表示某个动作或状态尚未完成。例如, “Have you found your keys yet?”(你找到钥匙了吗?)
初中英语现在完成时全英文讲解课件(12张PPT)

present perfect
past
now
futrue
structure
have/has+done have/has+not+done
They have put up a lot of high-rise buildings recently. My wife’s just bought a beautiful dress from one of the shops there.
France. A. was; moved B. was; have moved C. is; has moved D. is;
moved3. --- How are you today? --- Oh, I ____ as ill as I do today for a very
long time. A. didn’t feel B. wasn’t feeling C. don’t feel
perfect tense.
He has already read that book.
(说明他现在知道那本书的内容)
He read that book last year.
(只说明他去年读过那本书 )
He has gone to America.
(他现在不在此地, 在美国)
He went to America eight weeks ago. (只说明他去过美国)
I have lived here since 2003. I have studied English for seven years. Up to the present everything has been successful. He has stayed here since 5 hours ago.
初中现在完成时讲解ppt(共19张PPT)

• 在以上两种用法中常跟already, not…yet, never, just, before, ever, recently等时 间继续下去的状语。
• 3) 表示过去已经开始, 持续到现在, 也许 还会继续下去的动作或状态,常与包括现在 在内的一段时间的状语连用。
has kept
对划线部分提问
1. I’ve already had dinner.
2. What have you already done?
3. 2. He has just finished his homework.
4. What has he just done?
5. 3. Mum’s cooked the dinner.
eg.--- I’ve lived here for 15 years.
The film has been on ______ 20 minutes.
eg.--- I’ve lived here since 15 years ago 重读闭音节且末尾只有一个辅音字母,双写这个辅音字母再加-ed。
He ________( keep) the book since two days ago.
(1990)
Susan’s learned English at school.
否定句:现在完成时的否定句式是“haven't(hasn't)+过去分词”。
选用for和since填空: Have you eaten your breakfast?
has left
C.
1.We haven’t have developed
初中现在完成时讲解

初中现在完成时讲解现在完成时是英语中的一种时态,表示过去发生的动作与现在的关系。
下面是初中学生们可以理解的关于现在完成时的讲解。
1. 构成现在完成时由"have/has + 过去分词"构成。
例如:- I have finished my homework.(我已经完成了我的作业。
)- She has visited China.(她已经访问过中国。
)2. 用法2.1 表示经验或经历现在完成时常用于描述过去的经验或经历。
例如:- I have been to Paris.(我去过巴黎。
)- Have you ever tried sushi?(你曾经尝试过寿司吗?)2.2 表示过去发生的动作对现在造成的影响现在完成时还可以表示过去发生的动作对现在造成的影响。
例如:- I have lost my key.(我丢了我的钥匙。
现在我无法进入家里。
)- They have cleaned the classroom.(他们打扫了教室,现在教室很干净。
)2.3 表示动作在过去开始,但延续到现在现在完成时还可以表示动作在过去开始,但延续到现在。
例如:- I have studied English for five years.(我研究英语已经五年了。
)- He has lived in this city since 2010.(他自2010年以来一直住在这个城市。
)3. 注意事项3.1 时间状语的使用现在完成时常与一些时间状语连用,如"for"和"since"。
例如:- They have been friends for ten years.(他们已经是朋友十年了。
)- She has been studying English since last year.(她从去年开始一直在研究英语。
)3.2 否定句和疑问句的变化在现在完成时的否定句和疑问句中,需将"have/has"放在句首,并在动词后加"not"或使用缩写形式。
中考现在完成时讲解

现在完成时1、现在完成时构成:现在完成时是由“助动词have/has+动词过去分词〞构成。
①助动词have/has可以与主语缩写为’ve/’s。
e.g. I have → I’ve We have → We’ve He has → He’s It has → It’s②规那么变化过去分词与动词过去式一样。
③不规那么变化动词过去分词见表。
2、现在完成时根本句型。
①陈述句肯定形式。
e.g. I have had lunch. 我已经吃过午饭了。
He has gone to Beijing. 他去北京了。
②陈述句否认形式。
(在助动词have/has后+not,可缩写为haven’t/hasn’t)e.g. I haven’t had lunch. 我还未吃午饭。
He hasn’t gone to Beijing. 他还没有去北京。
③一般疑问句形式及其答语。
(将助动词have/has提前,答语一般用have, has答复)e.g. Have you had lunch 你吃过午饭了没 Yes, I have. No, I haven’t.Has he gone to Beijing 他去过北京了没有 Yes, he has. No, he hasn’t.否认答复还可以用:No, not yet. / No, never. / No, not even once等。
④特殊疑问句形式。
(疑问词+一般疑问句)e.g. Where has he gone 他去了哪里3、现在完成时三个根本用法。
(1) 现在完成时第一个根本用法表示过去发生或已完成某一个动作对现在造成影响或结果。
e.g. Have you had lunch Yes, I have. I’ve just had it. 你吃过午饭没有,吃过了,我刚刚吃。
(影响及结果:我现在饱了,不需要了)He has gone to Beijing. 他已经去北京了。
2024年中考英语语法-现在完成时专项讲解课件

瞬间转延续
leave → be away buy → have die → be dead join→ be in get to → be in
borrow → keep begin → be on finish → be over become → be
fall asleep → be asleep
A. go B. has gone C. has been D. would go
1.顺便来访2.从远方过来
11. Why not come over at the weekend? My family ___C__
seeing you again.
A. enjoyed
B. would enjoy
C. will enjoy D. have enjoyed
3. Some students in Shanghai ___B__ e-bags
for sevห้องสมุดไป่ตู้ral months.
A. have B. have had C. had
D. will have
计划,工程 4. -- I've not finished my project yet.
-- Hurry up! Our friends ___B_ for us. A.wait B.are waiting C.will wait D.have waited 5. The last time I ____D____ to the cinema was two years ago. A. go B. have gone C. have been D. went 6. --Have you ever been to Shanghai?
现在完成时讲解(含讲解及习题)

现在完成时讲解一、构成: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?否认式: 主语+ 助动词have/has + not + 动词的过去分词.过去分词规那么变化:a)一般情况下,直接加ed, 〔work---worked,water---watered, finish---finished等;〕b)以“辅音字母+ y〞结尾的动词, 把y 变成i 再加ed, 〔carry-- -carried study---studied等;〕c)以辅+元+辅结尾且中读的动词,要双写最后一个辅音字母,再加ed。
〔stop---stopped,shop---shopped〕d)以不发音的e结尾的动词,只加d 〔过去分词不规那么变化表:二、用法:用法一:表示过去〔已经、曾经或从未〕发生的某一动作对现在造成的影响或结果。
标志词:①already, ②never, ③ever, ④just, ⑤yet, ⑥before,⑦once/twice/数字+ times例:I have cleaned my room. 我已清扫了房间(房间现在是干净的,不需要清扫了)They have left. --他们已经离开了,也就是说现在他们人不在这里I have never had a car (我从未有过汽车。
)I have been there twice.a〕already 往往用于肯定句,用在疑问句时表示强调或加强语气;yet 用于否认句和疑问句。
•He has already left here. 他已经离开这里了。
•Has he already left here? 他〔真的〕已经离开这里了吗?〔表示加强语气〕•My teachers haven’t had breakfast yet. 我的老师们还没有吃早饭。
•Have you written to your parents yet? 你已经给你父母写过信了吗?b〕never 是否认词,表示“从来没有〞,而ever 表示“曾经〞•We have never been to the Great Wall. 我们从来没有去过长城。