外研版高中英语Book 1 Module 4 grammar---Present Perfect Time 教学课件 (共13张PPT)

He lived in Beijing for four years. 他曾在北京住过四年。(动作已在过去结束)
He has lived in Beijing for four years.
他在北京已住了四年了。(动作仍在继续)
---You speak very good French!
---Thanks. I _____ French in Sichuan University for four years.
前者表示过去的一件事；后者表示现在仍在军中服役，仍然是 一名军人。
②现在完成时强调与现在情况的关系(一般过去时与现 在没联系)。
I saw Hero last year.
I have seen Hero before. 前者表示看的时间是去年，与现在无关；后者强调
“现在知道这部电影的内容”。
③一般过去时表示的是过去的行为已终止了，而 现在完成时表示动作一直延续到现在.
2. --- Did you enjoy your holiday? --- Wonderful. It has been years _____ I enjoyed myself so much. A. after B. when C. before D. since
3. The price ____, but I doubt whether it will remain so. A. went down B. will go down C. was going down D. has gone down
• The man is dead. He __r_ul_e_d_th_e_c_o_u_n_tr_y_f_or_4_2_y_e_a_rs_______ (统治这个 国家长达42年).
Practice
1. It is the third time you __ late this week. A. had arrived B. arrived C. have arrived D. are arriving
Grammar
现在完成时(Present perfect tense)
(一) 现在完成时的基本用法：
(1)现在完成时表示发生在过去的动作对现在 所造成的结果或影响。
Have you ever seen the film “Harry Potter”? I’ve spent 3 years in the countryside.
(2)表示从过去某时开始而延续至今的动作 或状态，同延续性动词连用(如live，stay， study，read等)，常与for..., since...等构成的 表示一段时间的时间状语连用。
I have been an English teacher for about 16 years.
He has worked in this factory since he was 20.
常与现在完成时连用的时间状语： up to now so far just recently till now ever never in the past / last few years等。
We have learned many things from you so far.
(3)This/ That/ It is the first/ last…time (that)从句， 从句使用现在完成时。
— Yes, but there ____ great changes in the past few years.
A. were; were B. have been; have been C. have been; were D. were; have been
4. They are discussing the problem the whole afternoon, but they ___ a decision so far. A. didn’t reach B. won’t arrive at C. haven’t come to D. all above
5. —I have bought an English-Chinese
dictionary.
—Where ____ you ____ it?
A. do; buy
B. did; buy
C. have; bought D. had; bought
6. — I heard the peasants here ___ very poor in the past.
This is the third time that I have visited Hongya.
(二）现在完成时与一般过去时的区别
①一般过去时往往与明确的过去时间状语连用。
He served in the army from 2012 to 2017.
He has served in the army for 5 years.
A studied
B study
C was studying D had studied
• 注意：并非有for 作为时间状语的句子都用现 在完成时。
• He has graduated from university. _________________________(在大学他学 了四年的英语).
• 注意：并非有for 作为时间状语的句子都用现 在完成时。
• He has graduated . _(在Hu_ne_大iv_lee_a学rr_sni_他tey_d学_E_n了_g_l四i_sh_年_fo_的r_4英_y_e语_ar_)s_.w_h_e_n_h_e_w_a_s_in_____
• __H_e_h_a_s_le_a_rn_e_d_E_n_g_li_s_h_fo_r_3_y_ea_r_s____________, (他在大学学了三年英语了)，and he will graduate next year.
• ____________________________________ ______, (他在大学学了三年英语了)，and he will graduate next year.
• Gadd_____ (统治这个 国家达42年).