八年级英语下册 unit 2 travelling grammar 2课件 下册英语课件

一般(yībān)过去时与现在完成时有一些明 显的时间状语。
遇到(yùdào)yesterday, Last year, in May, in+过 去某一年，two days ago, the other day, just now等就用一般过去时
当有 so far, in the past/ last few days(在过 去/最近的几年里)，since接过去时间(shíjiān)状
Look! The blackboard is so clean now. He has cleaned the blackboard.
(他已经擦过黑板(hēibǎn)了。) 这句话所表示的结果是黑板现在是干净的。
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第二页，共十五页。
用法2：表示动作或状态从过去(guòqù) 开始一直延续到现在甚至将来
8BUnit 2 Grammar 2
Present perfect tense
现在 完成时态 (xiànzài)
2021/12/11
第一页，共十五页。
用法1：现在完成时态的含义是表示过去发
生的或已完成的动作对现在造成的影响或结
果。特点(tèdiǎn)是既涉及过去，又联系现在：动 作是过去发生的，结果是现在存在的。
fall asleep – be asleep open – be open
get to know – know
close-be closed
arrive-be in/at
get married-be married
Stop—be over
1.I have borrowed the book for 2 weeks.
想一想
How long have you learnt English?
5. for + 一段时间 since + 过去的时间 点 (shíjiān)
就画线提问用how long
2021/12/11：for +一段时间, since+过去的时间点,
these years, so far, in the past/last …years
buy – have
go out – be out
leave – be away
begin/start – be on
come/go – be in/at borrow – keep
join – be a member
die – be dead
catch a cold – have a cold become – be
The man has been dead for several years. The man has died for several years. 这个人已经死了几年了。
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第六页，共十五页。
( ×)
(√ ) (√ )
( ×)
( ×)
(√ )
(√ )
( ×)
请 判
常见的非延续性动词(dòngcí)与延续性动词(dòngcí)的转换。
2002.
They __h_a_v_e _c_o_ok__ed_____(cook) the supper
already.
They __c_o_o_k_e_d____ (cook) the supper half an
hour ago.
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Bye-bye!
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2.The Greens ___A__ Guilin twice. D.have gone to A.have been to B. have been in C. has been in 3.Lily has made lots of friends since she ___ heCre. A. come B. has been C. came D. coming 4.My parents ______ in Beijing since 1995. A. are living B. hBave lived C. lived D. will live 5A..HWisasgdraienddBm.ah_as_D_d_ie_d_Cf.owr a2sydeeaards.
他已学英语(yīnɡ yǔ)五年了。 He has studied English for five years.
（说明他还继续学下去）
他曾学过五年英语。
He studied English for five years.
（只202说1/12明/11 他过去学过五年英语，但现在不学了。）
第十一页，共十五页。
• The population __h_a_s_g_r_o_w_n___ (grow) more slowly in the past ten years.
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瞬间动作不能于表示一段时间的短语连用，应改用持续性动词。
I have bought a new dictionary for a week. I have had a new dictionary for a week. 我买一本新词典已有一星期了。
D. has been dead 2021/12/11
第九页，共十五页。
exercise
1.--Have you __m__e_n_d_e_dthe bike? --Yes ,I ___m__en_dedit 10 minutes ago.(mend)
2.--I have __se_e_n__ the film “Titanic”.
--When __d_id_ you ____s_eeit?(see)
3.I’m sorry, I haven’t got any money.I’ve___l_e_ft
(leave ) my handbag at home.
45..IIth’saavelo_n_g_r_tei_ma_de_(srienacde)wthee_b_o_o_k_._ (meet)
第十四页，共十五页。
内容(nèiróng)总结
Present perfect tense。) 这句话所表示的结果是黑板现在是干净(gānjìng)的。这个人已经死了几年了。常见的非延续性动
No 词与延续性动词的转换。现在完成时和一般过去时的区别：。一般过去时，仅仅表示在过去某
一时刻曾发生过这一动作，与现在无关。现在完成时和一般过去时。Bye-bye
( kept )
2.The film has begun for 5 minutes.( 2021/12/11
been)on
第七页，共十五页。
练一练：
1. 这辆自行车我买了两年了。
I’ve __h_a__d the bike _____fotrwo years.
2. He left Nanjing two years ago.
He _h__a_s_ __b_e_e_n ___a_w_a_y___f_rom
Nanjing for two years.
3. The monkey died last month.
The monkey ___h_a_s ___b_e_en___d_e_ad for a month. 4. A: Hong long _____ you ____ ( D)
They have been here for two days. They have come here for two days. 他们来这儿已经两天了。
He has joined the League member for two years. He has been a League member for two years. 他已入团两年了。
B: Two weeks.
A.did,get ill B. have,fallen ill
202C1/1.2/1w1 ere,ill D. have,been ill
第八页，共十五页。
exercise
1.She isn’t here now because she ___C_ the zoo. A.has been to B. have gone to C. has gone to
Image
12/11/2021
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语或过去时的句子等常用现在完成时
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现在完成(wán chéng)时和一般过去时
He _h_a_s_w__o_rk_e_d___(work) in our school for one
year.
He _c_a_m_e__(come) to our school last year/in
Mike borrowed the books two days ago. Mike 2021/12/11 has kept the books for two days.
第三页，共十五页。
1.We have learnt English
__f_o_r_ 3 years.
__s_i_n_c_e3 years ago. ___s__in___c_e__w_e______c_a___m___e__(c_o_m_e_)_he_r_e_
last year.
met
6.Look! The train ______ just _____. ( come)
has
come
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第十页，共十五页。
现在完成时和一般(yībān)过去时的区别：
现在完成时，强调这一动作产生的结果对现在的影 响，与现在有关。 一般过去时，仅仅(jǐnjǐn)表示在过去某一时刻曾发生 过这一动作，与现在无关。
• We H__a_ve__le_a_rn_e_d_ (learn) English for three years/ since two years ago/since 2000.
• Mr. Green _h_a_s__b_ee_n__ (be) in China these
years.
• They __h_a_v_e_w_r_i_tt_e_n_(write) 15 songs so far.