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The Present Perfect Tense

Examples I have already eaten honey. I have listened to music for four hours.

Examples I have run for five hours. I have cooked the breakfast since 8 'clock.

Examples I have ridden a bike for one month. He has fished the moon for two hours.

Tense I have listened to music for four hours. I have already eaten some honey. I have run for five hours. I have cooked the breakfast since 8 'clock. I have ridden a bike for one month. He has fished the moon for two hours. �在完成� � 主� +have/has + done

Usages 1、现在完成时表示过去发生的动作, 并对现在有影响。 Someone has broken the window. I have already lost the key. I haven’t read that book yet. I have just cleaned my hands. 2、现在完成时表示从过去一直持续到现在的动作或状态。 She has learned English for 5 years. He has lived in Beijing since he was born. Have you stayed here since 3 o’clock Usages

动词过去式/过去分词的规则变化 原形 �去式 visit repair watch finish visited repaired watched finished �去分� visited repaired watched finished 1. 一般情况下，��末尾加 ed。

Practice 写出下列动词的过去分词 stop _______ ask ____ move _______ work ____ plan talk _______ visit ____ marry ____ copy _______ carry ____ taste ____ want ________

常见动词不规则变化 原形 �去式 be let see put give come write make begin was/were let saw put gave came wrote made began �去分� been let seen put given come written made begun

常见动词不规则变化 原形 �去式 do go say get sing read swim buy run did went said got sang read swam bought ran �去分� done went said got sung read swam bought run

Practice 说出下列动词的过去分词 cook let do move mop read write say study have live go

Time markers of the past perfect tense 1. for + 一段�� 2. since + ��点 3. just 时间标志词 4. already(肯定句), yet(否定句/疑问句)

The difference between “since and for” 1) Lucy has lived with Anna since 2001. Lucy has lived with Anna since 4 years ago. Lucy has lived with Anna since he was born. 2) Lucy has lived with Anna for four years. since and for 小结: since + 时间点 （ 词、词组或句子） for + 时间段

Examples: use for or since Grade Three in primary school. 1. --We have learned English ______ for --We have learned English _______ five years. 2. He hasn’t felt well ____ since last night. Has he seen the doctor? since three days ago. 3. I have read this story book _______ for 4. Mr. Brown has had his TV ______15 years. since 5. I’ve taken driving lessons _______last month. for month. 6. My sister has had her cell phone _____a since my birthday. 7. My friends haven’t visited me _______

The difference between “already and yet” already and yet 1) I have already posted the letter. I have already seen him. 2) I have not posted the letter yet. I have not seen him yet. 小结: already ������ �(have/has)�, ����� yet �����

Examples: use already or yet 1. He hasn't found your book ____. 2. He has_____found your book. already 3. They have_____ already built many buildings in this city. yet 4. Judy hasn’t arrived_____. yet 5. Have you had breakfast_____ ? already 6. Mike has_____finished his homework. 7. Mike hasn't finished his homework_____. yet

Practice 用动词的适当形式填空 • 1. --I _______your pen since I get up. (mend) have mended • 2. --How do you like the film? haven't seen --I ______(not see) such a moving film before. joined • 3. Millie’s sister _______(join) the club last week. So she _____(be) in the club for nearly one week. has been

Practice 用动词的适当形式填空 has given • 4. My father_____(give) up smoking. have come) back from the cinema. • 5. The Green family______( has known konw)Sam for nine years. • 6. She ______( arrived • 7. They have _____(arrive) for 2 hours.

Summary 3 Structure ��+have/has + done ������

Tense 陈述句 否定句： have/has+not 陈述句 He has been in Beijing for two weeks. 否定句 He has not been in Beijing for two weeks. hasn't 句型转换

Practice 陈述句 否 定句 My brother has done the homework since 2 o'clock. My brother has not done the homework since 2 o'clock. hasn't They have read the story book for 3 hours. They have not read the story book for 3 hours. haven't

Practice 陈述句 否 定句 They have learned English for 2 days. They have not learnt English for 2 days. My mother has booked the ticket. My mother hasn't booked the ticket.

Practice 陈述句 定句 Tom has finished the work. Tom hasn't finished the work. Tony has lost the wallet. Tony hasn't lost the wallet. 否

Tense 陈述句 一般疑问 句：has/have提前，句尾 加问号 (第一人称变第二 人)称) ��� They have watched the TV for 3 hours. ����� Have they watched the TV for 3 hours ?

Practice 陈述句 一般 疑问句 Jerry has played badmiton for 50 minutes. Has Jerry played badmiton for 50 minutes? I have already done my homework. Have you done your homework yet?

Practice 陈述句 一 般疑问句 I have cooked the dinner since 8 o'clock. Have you cooked the dinner since 8 o'clock? My grandfather has waited the bus for an hour. Has your grandfather waited the bus for an hour?

Practice 陈述句 一 般疑问句 We have been in library for a long time. Have you been in library for a long time? My sister has swept the floor. Has your sister swept the floor?

Tense 陈述句 特殊疑问 句：特殊疑问词+一般疑问 句 ����� I have waited the plane for 2 hours. What have you done for 2 hours? How long have you waited the plane? Who has waited the plane for 2 hours?

Practice 陈述句 特殊 疑问句 Guoguo has read the novel for 3 hours. How long has Guoguo read the novel? Guoguo has read the novel for 3 hours. Who has read the novel for 3 hours?

Practice 陈述句 特殊 疑问句 I have been in the park for a day. How long have you been in the park? I have been in the park for a day. Who has been in the park for a day?

The difference between past tense and the present perfect tense wait for the bus I waited for the bus yesterday morning. I have waited for the bus since 10 o'clock.

clean the room we cleaned the room this morning. we have cleaned the room for half an hour.

snow It snowed 2 hours ago. It has snowed for 2 hours.

study at this school We studied at this school in 2017. We have studied at this school since 2018.

The difference between past tense and the present perfect tense past present(now) future 一般过去时：������ 现在完成时：���������� ��/��, ��������

The link between past tense and the present perfect tense I lived there 2 years ago. 2018 2016 past present(now) I have lived there for 2 years. 都表示过去 发生的事 �在完成�� � �去和�在 的�系 ，不能 和具体的�� 状��用。 一般�去��� �去�生的事或 状� 与表示�去 的具体���用。 （last, ago, yesterday. . .

A B C D E F G H I J K L M N

D here? How long have you ____ A. come B. got C. arrived D. been

B to Beijing. She will come back tomorrow. Jane has ____ A. been B. gone C. went D. never been

---Who will go to the station to meet Lorry? B ---I will. I _______ her several times. A. met B. have met C. had met D. will meet

have just____ finished (finish) my homework. I _____

Have you _______ found (find) your science book yet? ______

Do you know Lucy very well? have been (be) friends since we were very young. Yes, she and I _____

What a nice umbrella! have you _____ had (have) it? How long _____

They have been to Canada before. ������� Have they been to Canada before?

I have lost my pen. ����� I have not lost my pen.

The bus has left. ������� Has the bus left?

�� They have been here for 2000. They have been here since 2000.

�� The Smiths have been in China since 8 years. The Smiths have been in China for 8 years.

have learned (learn) English for three years. We ______

---Hello, this is Mr. Green speaking. Can I speak to Mr. Black? B ---Sorry. He _______ the Linkin Park. A. has been to B. has gone to C. went to D. will go to

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