人教版英语八年级下册Unit10 语法专项课件(现在完成时3)
考点大观 易错辨析 通关训练
【典例3】The astronaut is so tired that he ______ for eleven hours.
A. has been asleep
B. has fallen asleep
C. has gone to sleep D. has gone to sleep
易错点
转化规律
考点大观 易错辨析 通关训练
易错点
考点大观 易错辨析 通关训练
arrive
be in/at
start
come back be back
ch a cold have a cold fall asleep
be on be married be closed be asleep
表示从过去开始并持续到现在的动作或状态。 He has lived in Shanghai for five years.
易错点
考点大观 易错辨析 通关训练
非延续性动词转化为延续性动词
短暂性动词不能跟表示一段时间的短语连用，被 称为非延续性动词。为了表述这种意思，我们常 用相应的延续性动词来代替非延续性动词。
易错点
考点大观 易错辨析 通关训练
The football match began at 9:00a.m. The football match has been on since 9:00 a.m.
My teacher left Nanjing 3 days ago. My teacher has been away from Nanjing for 3 days.
buy, borrow, arrive, come, die, fall, go, join, leave等。
易错点
考点大观 易错辨析 通关训练
他入党五年了。 He joined the Party five years ago .
—He has been in the Party for five years. —He has been a Party member for five years.
初中英语人教版八年级下册
Unit10
语法专项课件 （现在完成时3）
语法透析
考点大观 易错辨析 通关训练
现在完成时用法
考点大观 易错辨析 通关训练
用法
表示到现在为止已经完成或刚刚完成的动作。 They have built many buildings in this city.
表示过去发生的动作,强调结果或对现在的影响。 I have already lost the key.
考点大观 易错辨析 通关训练
【典例1】She ______ for ten years and now she has a lovely daughter.
A. married
B. has been married
C. got married
D. has got married
解析
考查现在完成时。marry是非延续性动词，用于现 在完成时的时候，需转化为be married，故选B。
解析
考查现在完成时。sleep是非延续性动词，用于现在 完成时的时候，需转化为be asleep，故选A。
考点大观 易错辨析 通关训练
【典例2】I ______ my hometown for a long time. I really miss it.
A. left
B. went away from
C. have left
D. have been away from
解析
考查现在完成时。leave为非延续性动词，用于现在 完成时的时候，需转化为延续性动词be away from， 故选D。
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八年级英语下册Unit10I'vehadthisbikef单元语法专题课件人教版
(3)用“It has been＋一段时间＋since＋一般过去时”句型改写。如： His grandfather has died for a few years.(误) It has been a few years since his grandfather died.(正) (4)用系表结构(be＋形容词副词)改写或用相应的延续性动词代替终 止性动词。如： come/arrive/go→be in/at, begin/start→be on，finish/end/stop→be over， open→be open, die→be dead，leave→be away，close→be closed，fall asleep→be asleep ， join→be a member of/be in ， become→be ， buy→have，borrow→keep，get to know→know，put on→wear，catch a cold→have a cold，come back→be back
一、用括号内所给单词的适当形式填空。 1．We _h_a_v_e_n_'t_s_e_e_n__(not see)each other since I _le_f_t(leave) the university. 2．The hospital __h_a_s_b_e_e_n___(be) here for 10 years. It __is__ (be) the tallest building in our city. 3．She ___h_a_s_n_e_v_e_r_b_e_e_n____(never be) to the amusement park since two years_k_e__(take) her there next week. 4．I don't want to give away my football shirts although I __h_a_v_e_n_'t_p_l_a_y_e_d__(not play) for a while now. 5．I ____h_a_v_e_n_e_v_e_r_v_i_si_t_ed_____(never visit) the Great Wall before.I want __to__v_is_it___(visit) it one day.
初二人教英语现在完成时态课件(共25张PPT)
常见非延续性动词和延续性动词的转变
❖ arrive/come/go to be in
die
be dead
❖ become a
be a borrow
keep
❖ Leave/ move
be away / be out
❖ buy
have open
be open
❖ join
be in/a member of
5. --How many times _h_a_v_e____ you __r_e_a_d___ (read) this book?
❖ --I _h_a_v_e_r_e_a_d_ (read) it several times.
6. My brotherb_ou_g_h_t____ (buy) a car last month.
❖ The twins have joined the army. (since they are 18years old) The twins have been soldiers/ been in the army since they are 18years old.
-- When c_a_m_e_____ she _________ (come)? -- She ________ (come) just now.
I lived there 2 years ago
past
present
I have lived here for two years
❖ 1.都表示过去发生的事 ❖ 2.现在完成时强调过去和现在的联系，不能和具
定回答） He has already finished a story book.
4.He finished reading a story- book. （改成现在完成时）
Unit 10 单元知识点总结课件-八年级英语下册(人教版)
make friends be friends
go out be out
finish be over
Get to/arrive/ reach be in
leave be away(from) join be a member of/ be in
come/ go 相应的介词短语
瞬间动词 (组)转换为 “be+ adj./ adv./prep./
01
1. 现在完成时用法总结 • 表影响：动作发生在过去并且对现在造成影响
I have already finished my homework.
• 表持续：动作发生在过去持续到现在（谓语动词必须时延续性动词）
I have kept the book since 5 days ago.
2.瞬间Vs. 延续性动词
01 How long
询问物体长度 “多长”
回答：It’s + 长度；About+长度
—— How long is the river? —— It’s About 500 kilometers.
询问时间长度 “多长时间”
回答：for+时间段（for常省略）； since+过去时间点/ 时间段+ago/过去时间状语
表示能够延续的动作或状态
• 常与表示时间段的状语连用 延
(for+一段时间, since+从句/时间 续
点, how long)
性
动
• 常见延续性动词
词
learn, read, work, walk, wait…
I have waited for 2 hours.
表示动作是瞬间完成的
八级下册期末复习课件 现在完成时(共30张PPT)
already与yet的用法 第二句用过去时只叙述过去他买过一本英汉字典的事实，至于现在他是否有这本字典并未强调说明。
2.have/has been in表示“已在某地或已在某地多久了”，其
后接表示地点的副词here，there,home等时，介词应省略。
eg.She went to Shanghai last summer，she has
eg：The plane took off ten minutes ago. We finished our task last week.
2.现在完成时的时间状语从句： for，since，ever，just，yet，already等不确定的时间
状语。
eg:They have lived here for ten years. She has been in the Reading Club for many years.
作或状态。
①使用的动词通常是延续性动词，如：be、stay、study、 wait、keep、have等。
②使用的时间状语表示时间段，通常由for或since引导。
a）for后常跟一个时间段，表示某个动作到现在为止已持续
了多长时间，如：for three years、for half an hour等。 b）since作介词，后面可以接一个时间点，也可以接“一段 时间＋ago”，如：since 1980、since three years ago、since two months ago等。
c）since还可做连词，引导一个一般过去时的时间状语从句。
例：we have known each other since we went to college.
（自从上大学以来，我们就彼此认识。）
2.have/has been in表示“已在某地或已在某地多久了”，其
后接表示地点的副词here，there,home等时，介词应省略。
eg.She went to Shanghai last summer，she has
eg：The plane took off ten minutes ago. We finished our task last week.
2.现在完成时的时间状语从句： for，since，ever，just，yet，already等不确定的时间
状语。
eg:They have lived here for ten years. She has been in the Reading Club for many years.
作或状态。
①使用的动词通常是延续性动词，如：be、stay、study、 wait、keep、have等。
②使用的时间状语表示时间段，通常由for或since引导。
a）for后常跟一个时间段，表示某个动作到现在为止已持续
了多长时间，如：for three years、for half an hour等。 b）since作介词，后面可以接一个时间点，也可以接“一段 时间＋ago”，如：since 1980、since three years ago、since two months ago等。
c）since还可做连词，引导一个一般过去时的时间状语从句。
例：we have known each other since we went to college.
（自从上大学以来，我们就彼此认识。）
人教版八年级下现在完成态专题演示PPT
3.
辞官 归 隐田园后融入大自然怀抱里的悠 闲自得，忘却了荣辱得失，尽享田园生活之恬淡。
4 . 惜 别 之情不是很浓烈，更没有悲伤，竟被眼前美 丽的景观吸引了，若非急着去赴任，诗人定会继续欣 赏下去，与大自然共享闲暇。
5 . 文 本 解读本文是一篇论述生物社会行为的文章。作者选取了 独特的视角，将一些群居性生物的行为与人类进行比 较，描述了它们在集体行动中所表现出的高度组织性、 协调性.
考向 常与“for＋时间段”或“since＋表过去的 时间点或一般过去时的句子”连用。
典例 The young man ___________(live) alone
since he graduated from college.
【点拨】句意为：自从他大学毕业，这个年轻人就独自居住。 由since引导的时间状语从句可知主句用现在完成时。
have not=havheans’tnot=hasn’t
Have/Has + 主语 + 动词过去分词
1) We have visited the museum. (改为一般疑问句) 2) They have seen the film. (改为否定句) 3)He has returned the book. (改为否定句) 4)Jenny has had her lunch for three days. (改为一般疑问句 并做否定回答)
学霸君1对1 英语课
语法专题----现在完成时态
什么是时态？
What are you doing now?
时态
动词 所有时态的变化都是通过
的变化
来体现的！
现在完成时 ( present perfect tense)
Unit 10 第3课时 Section A【语法课】八年级英语下册课件(人教版)
visit many places for three daysGramFra bibliotekar Focus
How long have you had that bike over there?
How long has his son owned the train and railway set?
Have you ever played football?
for与since都能与现在完成时连用，但区别较大： (1) for后须接“时间段”
e.g. He has studied English for five years. (2) since后须接“时间点”
e.g. He has studied English since 1999. (3) 二者可以转换
2. They are very hungry. Their last meal was ten hours ago. ___T_h_e_y__h_a_v_e_h_a_d_t_h_e_ir__la_s_t _m_e_a_l_s_in_c_e__te_n__h_o_u_rs__ag_o_.___ 3. I have a camera. I bought it in 2009. ____I _h_a_v_e_h_a_d__a_c_a_m_e_r_a_s_i_n_ce__2_0_0_9_. _________________
Michael Jackson has died. Michael Jackson has _b_e_e_n_d_e_a_d_ since 2008. Teddy has left America. Teddy has __b_e_e_n_a_w__a_y_f_r_o_mAmerica for 2 years.
人教版英语八年级下册Unit10+现在完成时课件
瞬间和延续动词转换
• 1.He got to Beijing five minutes ago. • He __h_a_s__ _b_e_e_n__ __i_n___ Beijing for • _f_iv_e__ _m_i_n_u_te_s___.
• 2.I went home yesterday. • I ___h_av_e_ ____be_e_n_ __b_a_c_k___ home for
延续与非延续性动词
用正确形式填空
• 1.He ____H_a_s _se_e_n____ (see) the actor many times already.
• 2.I _co_u_g_h_e_d_ (cough) a lot this morning. • 3.The young _e_n_j_oy_e_d_ (enjoy) themselves in
• 3. Our teacher has taught in the school ___f_o_r____ three years.
• 4. She has been away from the city _f_o_r about ten years.
• 5. It’s about 2 yearss_in_c_eshe took up the hobby.
Since * for
用since和for填空
• 1) _fo_r___ two years2) _s_in_c_e two years ago • 3) __s_i_n_ce__ last month 4) _s_in_c_e__ 1999 • 5) __s_in_c_e__ yesterday • 6) _s_i_nc_e___ 4 o’clock • 7) __fo_r___ 4 hours 8) _s_in_c_e_ an hour ago
英语人教版八年级下册Unit-10-grammar-focus-课件
我刚才去邮局了。
Have you ever been to Hangzhou? 你曾经去过杭州吗？
Mary has never been to the Great Wall. 玛丽从未去过长城。
(3). Have (has) been to 后面可接次数， 表示去过某地几次。
如：I've been to Beijing three times. 我去过北京三次。
eg.I have been a teacher _f_o_r___ a year. He has been at this school _s_in_c_e___ 1992.
We have learned 1,000 English words
_s_i_n_c_e__ we came to this school.
/tɒɪ/ n. 玩具 /beə/ n. 熊 /'meɪkə/ n. 生产者;
面包机
/skɑ:f/ n. 围巾; 披巾;
• soft
/sɒft/ adj. 软的; 柔软的
• soft toy
软体玩具; 布绒玩具
• check v. & n. 检查; 审查
• check out
查看; 观察
• board
2. There are two _b_r_e_a_d_m__a_k_e_r_s_(面包机) at
Helen’s home. 3. How do you like these _s_o_ft__to_y_s__(软体玩
具), Emma? 4. Mr. White is _c_h_e_c_k_i_n_g_o_u_t_(察看) those
I have lived here for three years. I have lived here since 2004/three years ago.
Have you ever been to Hangzhou? 你曾经去过杭州吗？
Mary has never been to the Great Wall. 玛丽从未去过长城。
(3). Have (has) been to 后面可接次数， 表示去过某地几次。
如：I've been to Beijing three times. 我去过北京三次。
eg.I have been a teacher _f_o_r___ a year. He has been at this school _s_in_c_e___ 1992.
We have learned 1,000 English words
_s_i_n_c_e__ we came to this school.
/tɒɪ/ n. 玩具 /beə/ n. 熊 /'meɪkə/ n. 生产者;
面包机
/skɑ:f/ n. 围巾; 披巾;
• soft
/sɒft/ adj. 软的; 柔软的
• soft toy
软体玩具; 布绒玩具
• check v. & n. 检查; 审查
• check out
查看; 观察
• board
2. There are two _b_r_e_a_d_m__a_k_e_r_s_(面包机) at
Helen’s home. 3. How do you like these _s_o_ft__to_y_s__(软体玩
具), Emma? 4. Mr. White is _c_h_e_c_k_i_n_g_o_u_t_(察看) those
I have lived here for three years. I have lived here since 2004/three years ago.
人教版英语八年级下册语法复习——现在完成时课件-课件
Key words
yet already
注意：already 用于肯定句， yet 用于疑问句和否定句中
A: __H_a_s__ your brother _fi_n_is_h_e_d his
homework yet? (finish)
B: Yes, he ‘s already done it.
Key words
have/has gone to have/has been to have/has been in
去了 说话时某人不在 只用于第三人称
去过 常与ever, never, once,twice,连用
在… 与时间段连用 用how long 提问
A: Where is Bob ? B: He __h_a_s_g_o_n_e_t_o__ Japan with his sister.
got to have/has been in
have/has been in join
have/has been a soldier
The concert has finished for half
an hour.
been over
buy have/has had
leave have/has been away
It is 3 years since Nick joined the army. 3. 他离开深圳好长时间了。
It is a long time since he left Shenzhen. 4. 这本书我已借了4个月了.
It is 4 months since I borrowed the book .
just
Just 刚刚 与现在完成时连用 一般置句中 Just now 刚才 与一般过去时连用
英语人教版八年级下册现在完成时精品课件
Present Perfect Tense
Present perfect tense 现在完成时
have/has + 过去分词
表示过去发生的某一动作 对现在造成的影响或产生 的结果.现在完成时这一时 态强调是过去动作与现在 的联系,也就是强调现在的 影响和结果.
I lived there 2 years ago
自从某事发生已有一段时间了. It is /has been two
years since my brother joined the army.
for和since的运用 for “经历(时间段)” since “自从… 以来”
for＋时间段
since＋时间段 ＋ago
since＋时间点
since＋从句
④ close → be closed open → be open The shop closed two hours ago. The shop _____ ____ for ________. 2) The door opened at six in the morning. The door _____ ____ ____ for
be a borrow
keep
❖ Leave/ move
be away / be out
❖ buy
have open
be open
❖ join
be in/a member of
❖ start/begin be on finish/ end
be over
❖ catch a cold
have a cold get up be up
__________.
③ become → be I became a teacher in 2000. I __________ a teacher for___________. 2) The river became dirty last year. The river ____ ___ dirty for ____ _____.
Present perfect tense 现在完成时
have/has + 过去分词
表示过去发生的某一动作 对现在造成的影响或产生 的结果.现在完成时这一时 态强调是过去动作与现在 的联系,也就是强调现在的 影响和结果.
I lived there 2 years ago
自从某事发生已有一段时间了. It is /has been two
years since my brother joined the army.
for和since的运用 for “经历(时间段)” since “自从… 以来”
for＋时间段
since＋时间段 ＋ago
since＋时间点
since＋从句
④ close → be closed open → be open The shop closed two hours ago. The shop _____ ____ for ________. 2) The door opened at six in the morning. The door _____ ____ ____ for
be a borrow
keep
❖ Leave/ move
be away / be out
❖ buy
have open
be open
❖ join
be in/a member of
❖ start/begin be on finish/ end
be over
❖ catch a cold
have a cold get up be up
__________.
③ become → be I became a teacher in 2000. I __________ a teacher for___________. 2) The river became dirty last year. The river ____ ___ dirty for ____ _____.