小学语法下册U13 现在完成时
合集下载
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
I did homework two years ago. I have already done my homework. Now I finish, I can go out to play.
I read the book last year. I have already read the book. Now I have known something about this book.
Presentation
Look and Say
Presentation Sentences 用下划线画出现在完成时的结构。（肯定式，否定式，疑问 式） We have seen the film. Have you seen the film? No, we haven’t. We haven’t seen the film.
( A ) Li Ping knew him for two years. A BC D
knew改为“has known”
Practice Oral Practice
( D ) My parents have worked here since two years.
A
BC
D
since改为for
( B ) I have bought this book for one day.
I cleaned the room. I have cleaned the room. Now this room is clean.
Warm up
请大家看上面的几组句子，每一组句子中，前一句是一般 过去时的句子，过去时表示过去某时发生的动作或单纯叙 述过去的事情，强调动作；后一句是现在完成时的句子， 表示过去发生或已完成的某个动作对现在产生的影响或结 果，强调的是过去的事情对现在的影响或结果。
Presentation Sentences 用法：
表示过去发生或已完成的某个动作对现在产生的影响 或结果，同already, just, yet等状语连用。例：
I have just turned off the light. 我刚刚把灯关上。(结果是灯已经关上了) I have already read the book. 我已读过这本书了。(结果是已知道这本书的内容) He hasn’t found his eraser yet. 他还没有找到橡皮。
Practice Oral Practice
I have kept the book for 3 days. (对划线处提问) _H__o_w___ _l_o_n_g__ have you kept the book？
He has already finished the book. (改为一般疑问句并 做肯定、否定回答) — _H__a_s_ he finished the book __y_e_t__? — Yes, he ___h_a_s____. / No, he __h_a_s_n_’_t ____.
have 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。例： They have been at the barber’s shop for half an hour. 他们在理发店呆了半小时。(现在仍然在理发店) We have been in Xi'an for two weeks. 我们在西安呆了两个多星期。(现仍在西安) How long have they been in China? 他们在中国呆了多长时间了？(仍在中国)
The bus has arrived here. It arrived ten minutes ago. (把两句合为一句)
__T_h_e__b_u_s_h_a_s__a_r_ri_v_e_d_h_e_r_e__fo_r__te_n__m_i_n_u_t_e_s_. ______
Practice Oral Practice 用for和since填空，并朗读句子 He has lived in Changchun _s_i_n_c_e_ the year before last year. I have known her __s_i_n_c_e___ we were children. Our teacher has learned English ___f_o_r__ over three years. She has been away from this city _s_in__c_e ten years ago. It is about ten years ___s_i_n_c_e____ she left the city.
tell ___to_l_d___ ____to_l_d___
go __w_e_n_t____ ___g_o_n_e___
teach _t_a_u_g_h_t___ __t_a_u_g_h_t____ do __d_i_d___ ___d_o_n_e___
Practice Oral Practice
I don’t know this woman. I _h_a_v_e_n_e_v_e_r_m__e_t___ (meet, never) her.
－Let’s go to the cinema. －No, I __h_a_v_e_a_l_r_e_a_d_y_s_e_e_n____ (see, already) the film.
按要求完成句子，并朗读句子。
I have written this book before. (变为一般疑问句) ___H_a_v_e_ ___y_o_u__ written this book before？
He has already found the key to the door. (变否定句) He h_a_s_n_’_t_ _f_o_u_n_d_ the key to the door __y_e_t __.
Presentation Sentences
● have been to 和have been in的区别 have been to强调人“已回到原地”，后面可接表示“次
数”的状语。例： She has been to Shanghai only once. 她只去过一次上海。 — How many times has he been to Shanghai? 他去过几次上海？ — He's been there many times. 他去过很多次。
Practice Oral Practice 改错，并朗读正确句子
( C ) Li Ping has been in Beijing twice.
A BC
D
in改为“to”
( B ) Where is Li Fei? He has been to the post office.
A
BC
D
has been 改为“has gone”
— Have you ever been to the Great Wall? (做否定回答) — No, ___I_____ __h_a_v_e_n_’t__.
He went to Hong Kong two years ago. (改为同义句) He __h__a_s_ __b_e_e_n_ _t_o_____ Hong Kong for two years.
I have finished the homework. Have you finished the homework? No, I haven’t. I haven’t finished my work.
Presentation Sentences
I have already arrived. Have you arrived yet? No, I haven’t. I haven’t arrived yet.
Presentation Sentences
● have been to和have gone to的区别： have been to 强调“去过”，现已不在那里，如： He has been to the USA three times. 他(曾经)到美国去过三次。(他人生中有过这样的经历，过去 “到过美国”，现在已“不在美国了”) He has gone to the USA. 他已经去美国了。(主要强调的是 “去了”，也许刚动身出发，也许已经到了，也许还在路上， 总之现在人不在说话的现场。)
Unit 13
Present Perfect Tense 现在完成时
Warm up Presentation
Practice Production
Warm up
I ate meals yesterday. I have just eaten meals. Now I am not hungry, I don’t want to eat meals.
She has just washed the clothes. Has she washed the clothes yet? No, she hasn’t. She hasn’t washed her clothes yet.
Presentation Sentences
I have ever read this book. Have you read this book? No, I haven’t. I have never read this book.
Presentation Sentences
● 现在完成时态中可以和表示一段时间状语(for, since, how long, all one’s life)连用的动词必须是表示延续的情况或动 作的动词，即延续性动词，常与since, for等连用。 She has taught in the school for ten years. 她在这所学校教书已经10年了。 I haven't eaten anything since breakfast. 我从早饭起就一直没有吃东西。 I have known her since we were children. 我从小就认识她。 注意：since与时间点相连，而for与时间段相连。
already, yet,
once, twice, ever, never等。
当有表示一段时 间的词汇for 或 since时，要与延 续性动词相连。
have been to,
have gone to, have been in 词 的区别。
Practice Oral Practice
说出下面动词的过去式及过去分词
am, is __w_a_s___ __b_e_e_n___ are __w_e_r_e__ __b_e_e_n___
buy __b_o_u_g_h_t_ __b_o_u_g__h_t
பைடு நூலகம்
take __t_o_o_k___ __t_a_k_e_n____
have / has ___h_a_d____ _h__a_d__ run _____ra_n__ _____ru_n___
Presentation
Grammar Box 表格呈现
现在完成时 肯定句：主语+ have(has)+ 过去分词 +其他. 构成 一般疑问句： Have (Has ) + 主语+ 过去分词 +其他?
否定句：主语+ have(has)+ not +过去分词 +其他.
用法
与不确定的副词 相连。如：just,
Presentation Sentences
Have you finished your homework yet? 你还没有完成作业吗？
注意：副词 just 常用于肯定句中，放在have / has后；而 already多用于肯定句中，可放在句中也可放在句末表示强 调；yet 一般用于疑问和否定句中，译为：“还、仍然、或 已经”。
AB
CD
bought改为kept
( C ) The factory has open since 1989.
A
BC D
open改为been opened
Practice Oral Practice
用适当的时态填空，说出正确句子。
It __h_a_s_r_a_in_e_d__ (rain) for a week.
I read the book last year. I have already read the book. Now I have known something about this book.
Presentation
Look and Say
Presentation Sentences 用下划线画出现在完成时的结构。（肯定式，否定式，疑问 式） We have seen the film. Have you seen the film? No, we haven’t. We haven’t seen the film.
( A ) Li Ping knew him for two years. A BC D
knew改为“has known”
Practice Oral Practice
( D ) My parents have worked here since two years.
A
BC
D
since改为for
( B ) I have bought this book for one day.
I cleaned the room. I have cleaned the room. Now this room is clean.
Warm up
请大家看上面的几组句子，每一组句子中，前一句是一般 过去时的句子，过去时表示过去某时发生的动作或单纯叙 述过去的事情，强调动作；后一句是现在完成时的句子， 表示过去发生或已完成的某个动作对现在产生的影响或结 果，强调的是过去的事情对现在的影响或结果。
Presentation Sentences 用法：
表示过去发生或已完成的某个动作对现在产生的影响 或结果，同already, just, yet等状语连用。例：
I have just turned off the light. 我刚刚把灯关上。(结果是灯已经关上了) I have already read the book. 我已读过这本书了。(结果是已知道这本书的内容) He hasn’t found his eraser yet. 他还没有找到橡皮。
Practice Oral Practice
I have kept the book for 3 days. (对划线处提问) _H__o_w___ _l_o_n_g__ have you kept the book？
He has already finished the book. (改为一般疑问句并 做肯定、否定回答) — _H__a_s_ he finished the book __y_e_t__? — Yes, he ___h_a_s____. / No, he __h_a_s_n_’_t ____.
have 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。例： They have been at the barber’s shop for half an hour. 他们在理发店呆了半小时。(现在仍然在理发店) We have been in Xi'an for two weeks. 我们在西安呆了两个多星期。(现仍在西安) How long have they been in China? 他们在中国呆了多长时间了？(仍在中国)
The bus has arrived here. It arrived ten minutes ago. (把两句合为一句)
__T_h_e__b_u_s_h_a_s__a_r_ri_v_e_d_h_e_r_e__fo_r__te_n__m_i_n_u_t_e_s_. ______
Practice Oral Practice 用for和since填空，并朗读句子 He has lived in Changchun _s_i_n_c_e_ the year before last year. I have known her __s_i_n_c_e___ we were children. Our teacher has learned English ___f_o_r__ over three years. She has been away from this city _s_in__c_e ten years ago. It is about ten years ___s_i_n_c_e____ she left the city.
tell ___to_l_d___ ____to_l_d___
go __w_e_n_t____ ___g_o_n_e___
teach _t_a_u_g_h_t___ __t_a_u_g_h_t____ do __d_i_d___ ___d_o_n_e___
Practice Oral Practice
I don’t know this woman. I _h_a_v_e_n_e_v_e_r_m__e_t___ (meet, never) her.
－Let’s go to the cinema. －No, I __h_a_v_e_a_l_r_e_a_d_y_s_e_e_n____ (see, already) the film.
按要求完成句子，并朗读句子。
I have written this book before. (变为一般疑问句) ___H_a_v_e_ ___y_o_u__ written this book before？
He has already found the key to the door. (变否定句) He h_a_s_n_’_t_ _f_o_u_n_d_ the key to the door __y_e_t __.
Presentation Sentences
● have been to 和have been in的区别 have been to强调人“已回到原地”，后面可接表示“次
数”的状语。例： She has been to Shanghai only once. 她只去过一次上海。 — How many times has he been to Shanghai? 他去过几次上海？ — He's been there many times. 他去过很多次。
Practice Oral Practice 改错，并朗读正确句子
( C ) Li Ping has been in Beijing twice.
A BC
D
in改为“to”
( B ) Where is Li Fei? He has been to the post office.
A
BC
D
has been 改为“has gone”
— Have you ever been to the Great Wall? (做否定回答) — No, ___I_____ __h_a_v_e_n_’t__.
He went to Hong Kong two years ago. (改为同义句) He __h__a_s_ __b_e_e_n_ _t_o_____ Hong Kong for two years.
I have finished the homework. Have you finished the homework? No, I haven’t. I haven’t finished my work.
Presentation Sentences
I have already arrived. Have you arrived yet? No, I haven’t. I haven’t arrived yet.
Presentation Sentences
● have been to和have gone to的区别： have been to 强调“去过”，现已不在那里，如： He has been to the USA three times. 他(曾经)到美国去过三次。(他人生中有过这样的经历，过去 “到过美国”，现在已“不在美国了”) He has gone to the USA. 他已经去美国了。(主要强调的是 “去了”，也许刚动身出发，也许已经到了，也许还在路上， 总之现在人不在说话的现场。)
Unit 13
Present Perfect Tense 现在完成时
Warm up Presentation
Practice Production
Warm up
I ate meals yesterday. I have just eaten meals. Now I am not hungry, I don’t want to eat meals.
She has just washed the clothes. Has she washed the clothes yet? No, she hasn’t. She hasn’t washed her clothes yet.
Presentation Sentences
I have ever read this book. Have you read this book? No, I haven’t. I have never read this book.
Presentation Sentences
● 现在完成时态中可以和表示一段时间状语(for, since, how long, all one’s life)连用的动词必须是表示延续的情况或动 作的动词，即延续性动词，常与since, for等连用。 She has taught in the school for ten years. 她在这所学校教书已经10年了。 I haven't eaten anything since breakfast. 我从早饭起就一直没有吃东西。 I have known her since we were children. 我从小就认识她。 注意：since与时间点相连，而for与时间段相连。
already, yet,
once, twice, ever, never等。
当有表示一段时 间的词汇for 或 since时，要与延 续性动词相连。
have been to,
have gone to, have been in 词 的区别。
Practice Oral Practice
说出下面动词的过去式及过去分词
am, is __w_a_s___ __b_e_e_n___ are __w_e_r_e__ __b_e_e_n___
buy __b_o_u_g_h_t_ __b_o_u_g__h_t
பைடு நூலகம்
take __t_o_o_k___ __t_a_k_e_n____
have / has ___h_a_d____ _h__a_d__ run _____ra_n__ _____ru_n___
Presentation
Grammar Box 表格呈现
现在完成时 肯定句：主语+ have(has)+ 过去分词 +其他. 构成 一般疑问句： Have (Has ) + 主语+ 过去分词 +其他?
否定句：主语+ have(has)+ not +过去分词 +其他.
用法
与不确定的副词 相连。如：just,
Presentation Sentences
Have you finished your homework yet? 你还没有完成作业吗？
注意：副词 just 常用于肯定句中，放在have / has后；而 already多用于肯定句中，可放在句中也可放在句末表示强 调；yet 一般用于疑问和否定句中，译为：“还、仍然、或 已经”。
AB
CD
bought改为kept
( C ) The factory has open since 1989.
A
BC D
open改为been opened
Practice Oral Practice
用适当的时态填空，说出正确句子。
It __h_a_s_r_a_in_e_d__ (rain) for a week.