牛津译林版初中英语八年级下册英语Unit1语法专项公开课课件(现在完成时1)

语法透视
现在完成时结构考点大观易错辨析通关训练
肯定句：主语 + have/ has + 过去分词+...
I have finished my homework. 我已经完成作业了。
否定句:主语+haven’t ( have not) +过去分词… 主语+hasn’t ( has not ) +过去分词...
牛津译林版初中英语八年级下册英语Unit1语法专项公开课课件 (现在完成时1)
初中英语译林版八年级下册 Unit1
语法专项课件
（现在完成时1）
Part
语法透析
考点大观
易错辨析
通关训练
语法透视
现在完成时定义考点大观易错辨析通关训练
现在完成时定义三要素： 1. 表示到现在为止已经完成或刚刚完成的动作。 2.一件发生在过去的事情对现在产生影响。 3.一个动作开始于过去，并持续到现在（也许还将持续下去）。 We have known each other since 2005. 我们从2005年认识的。 I have lived in Wuhan for several years. 我在武汉住了好几年了。
语法透视
过去分词的变化（不规则）考点大观易错辨析通关训练
பைடு நூலகம்
C.过去分词，过去式与动词原形一样 cut—cut—cut put —put—put let—let—let read—read—read
语法透视
现在完成时的标志词1 考点大观易错辨析通关训练标志词：already(已经), yet(已经) already: 常用于肯定句中.
yet: 常用于否定句,疑问句尾.
I have already seen this film. 我已经看过这部电影了。 I haven’t seen this film yet. 我还没有看这部电影。 Have you seen this film yet? 你看过这部电影了没？
语法透视
现在完成时的标志词2
语法透视
现在完成时的用法考点大观易错辨析通关训练 3) 表示从过去开始并持续到现在的动作或状态。
She has learned English for 5 years. 她学英语已经五年了。
He has lived in Beijing since he was born .
从他出生那天起就住在北京。
since: (自…以来)
考点大观易错辨析通关训练
1)since+时间点 He has stayed here since 5 o’clock.
2)since+ 时间段+ ago
He has stayed here since 5 hours ago. 3)since+ 从句 She has taught English since he came here. for: (长达）for+ 时间段
He has kept the book for 2 weeks.
语法透视
辨析 have been to和 have gone to
考点大观易错辨析通关训练
have been to someplace. 曾经去过某地，已经回来． has gone to someplace.某人去了某地，还没有回来． My father has gone to Shanghai for a meeting. 他（已经）去了上海。 My father has been to Shanghai for a meeting. 他（曾经）去了上海。
语法透视
过去分词的变化（不规则）考点大观易错辨析通关训练 B.过去分词与过去式形式不一样 take—took—taken see — saw — seen speak —spoke—spoken sing—sang—sung drive—drove—driven be—was/were—been go—went—gone
2) 表示过去发生的动作,强调结果或对现在
的影响。
Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my hands. (手是干净的)
语法透视
过去分词的变化（不规则）考点大观易错辨析通关训练 A.过去分词与不规则动词的过去式形式一样 have—had—had spend —spent—spent make—made—made say—said—said find—found—found hear—heard—heard meet—met—met leave—left—left fly—flied—flied
Has he lived in Shenzhen for 4 years? 他住在深圳四年了吗？
语法透视
过去分词的变化（规则）考点大观 (1)一般动词，在词尾直接加“ ed ”。易错辨析通关训练
work---worked---worked (2)以“ e ”结尾的动词，只在词尾加“ d ”。 live---lived---lived (3)以“辅音字母 + y ”结尾的动词，将 “y” 变为 “i”，再加“ ed ”。 study---studied---studied (4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ ed ”。 drop---dropped--dropped
I haven’t finished my homework. 我还没有完成作业。
疑问句:Have / Has+主语+过去分词...?
Have you finished your homework? 你完成作业了没？
语法透视
现在完成时的用法考点大观 1) 表示到现在为止已经完成或刚刚完成的动易错辨析作。通关训练
Now we have planted all the trees. 截止目前，我们种完了所有的树。 He has just come back. 他已经回来了。 They have built many buildings in this city.
他们在这个城市建成了好多建筑物。
语法透视
现在完成时的用法考点大观易错辨析通关训练

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牛津译林版八年级下Unit1现在完成时态课件(共12张PPT)

注意：当在肯定陈述句中含有already或just 时，在转换成否定句或疑问句时，要把句中的 already 或just 去掉，在句末加上yet.
●
I have seen the film already.
I haven’t seen the film yet.
●
I have done my homework already. I haven’t done my homework yet.
has learned • He ___________(learn) English for three years. • She….
▲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。
She has gone. (她走了。) 从这句话中动词所用的现在完成时态可以看出“走”的动作是过去发生的，而对现在所造成的结果是她不在这里了。
Chat time
Millie and Sandy are talking about a film about Hong plete their e the correct forms of the verbs in the brackets.
M : ______ Have you ____ seen (see)any exhibitions recently, Sandy? S : No, Ihaven’t _______.What about you? have seen M : Well, I _____________ (see) one. I saw it at the history museum last week . S : What is it about? have forgotten (forget) the title.It’s M : I ______________ about changes in Beijing over the past century.

牛津译林版八年级英语下册《Unit 1-Grammar》课件(共45张PPT)

用法1：表示过去开始的动作或状态已经结束，但是对现在有影响
Look! The blackboard is so clean now. He has cleaned the blackboard.
(他已经擦过黑板了。) 这句话所表示强调的结果是黑板现在是干净的。
He speaks French so fluently. He learned it in Paris. He was there for two years. He has studied French.
2现在完成时的否定句
句型主语+have/has not(haven't/hasn't)+过去分词
I have not seen the movie yet. He hasn’t been to Beijing since then. She hasn’t eaten it. They haven’t finished the work.
现在完成时态 1
Present perfect tense
When did you have breakfast?
He has had breakfast.
When did you study in Qingtan Middle School?
You have studied here for about two years
用法2. 表示过去的动作一直持续到现在甚至未来
时间状语: since, for
现在完成时 + since +
过去的时间点 since 1990, since last year
句子（一般过去式） since I went to school

牛津译林版八年级英语下册Unit1课件(共56张PPT)

用所给词的适当形式填空：
1. Drinking _p_o_ll_u_t_e_d_ water does harm to one’s health so watepro_ll_u_t_i_o_n__ is really terrible. (pollute)
2. Guang dong Province is in the s_o__u_t_h_e_r_npart of China.
5.改进，改善 improve (名词) improvement
6.形势，情况 situation
7.尽管，即使这样 anyway
8.环境，条件 condition
9.到（在）国外 abroad
10.正是，没错 exactly
11.小学教育的，初级的 primary
12.丈夫 husband
13.妻子 wife
(n.) communication
用所给词的适当形式填空：
1. We can learn a lot about Yangzhou’s Past and
_p_r_e_s__e_n_t____(现在).
2. I can’t imagine how terrible the _s_i_t_u_a_t__io__n(形势) was
(复数) wives
14.环境 environment(形容词) environmental
Part1 Words
1. 北方 north (adj.) northern
2.南方 south (adj.) southern 3.结婚(vt.) marry (adj.) married
（n.）marriage 4.污染 (vt.) pollute (adj.)polluted（n.）pollution 5.采访(vt.) interview (n.) interview （n.）interviewer 6.进来，最近 (adv.) recently (adj.) recent 7.交流，交际(vt.) communicate

牛津译林版八年级下册英语课件Unit 1 Grammar(1)

already washed the dishes ( already, ever) 7 He has _______ yet .(already, 8 We have not completed the project ____ for, yet)
Step3: While –task Task2: Learn the rules Forming the past participle of verbs
1 Have you done your homework _____ yet ? ( for, just, yet) never been to Chengdu. ( for, never, yet) 2 I have ______ 3 He has worked there since _____ he left school. (already just, since) for nine years. ( for, never 4 She has known Sam ______ since) 5 Have you _______ ever ridden a horse? ( ever, for, yet) just arrived. (ever, just, yet) 6 They have _____
Exercises
• • • • 1. I ________(have) have had lunch already. arrived 2. Has the train_______ (arrive), yet? been to has 3.Tome ____ never_______ (be to ) China. has seen 4. The twin ______just _____(see) my father. saw • 5. The twins ____(see) my father just now.

牛津译林八年级下Unit1 Grammar课件(共23张PPT)

8下Unit 1 Grammar
The Present Perfect Tense 现在完成时
Lead-in Ask and answer
1. How long has Mr. Chen lived in Sunshine Town?
He has lived here since he was born.
2021/6/20
5
我们用现在完成时谈论到现在为止一个动作已经发生了多少次。
past
present
Eddie 吃了很多次Hobo 的食物。 Eddie has eaten Hobo's food many times.
2021/6/20
6
Step 2:现在完成时的构成
We h_a_v_e__li_v_e_d___ (live)in Xuyi since we were born.
过去分词的构成
original
p.t
p.p
cost
cost
cost
come
came
come
run
ran
run
get
got
got
catch
caught
caught
see
saw
seen
forget
forgot forgotten
drink
drank
drunk
grow eat
grew ate
grown eaten 15
Task one:Play a game（说出所给动词的过去分词）
2. Can Mr. Chen see his old friends as often as before?
No. Because most of his old friends have moved away.

江苏省2020年牛津译林版英语八年级第二学期第一单元现在完成时第一课时(共16张PPT)

yet
never
recently
since
In/over the past few(数) years
Till now/up to now
Three(数) times
before
三、时间标志词
already 肯定句；位置：助动词与过去分词之间。例.I have already handed in the report.
2.-- Kitty, will you go to see the film Cold Mountain this evening? -- No, I won’t. I ____C____ it already. A. see B. saw C. have seen D. will see
课堂检测
二、结构
• 1.对象：_____谓__语__动_词_____
形变产生意变
• 2.肯定：have/has 否定：have/has not 缩写:__h_av_e_n_’t_/h_a_sn’t 疑问：have/has提前，肯定回答：Y_es_,主__ha_ve_/h_a_s 否定回答：N_o_,主_h_a_ve_/has not
要点回顾
现在完成时的概念
现在完成时的结构
现在完成时的时间标志词
温故知新
1.Julie‘s father C to London last month. He 随堂反馈 UNIT2全国各地中考试题选编）
A.went; had gone
B.has gone: has been
C.went; has been
since 后+时间点/时间段+ago/瞬间动词。例.I haven’t seen you since 2017./3 years ago./you left China. 后+时间段。例. Jenny has been married for 5 years.

牛津译林版八年级英语下册unit1 Grammar课件

_现__在__完__成__时___ 则常与just, already, ever, never，just, recently, yet等副词和these days, this week, since ..., for ...等表示一段时间的时间状语连用。
3. ①He went to Guilin in 1998. 他在1998年去过桂林。
A. living
B. has lived
C. live
D. is going to live
3. "Why _______ she _______ angry?" "Because he _____ at him just now. A. did… get, shouted B. has…got…shouted C. did… get… has shouted D. has…got…has shouted
yet
疑问句/否定句,表示 “已经” 或 “还没有”
Translate the following sentences
1.我们已经完成了家庭作业。 2.他从没参观过北京。 3.你曾经看过这部电影吗？ 4.他们刚刚吃了你的食物。 5.他还没有把那本书还给我。 6.最近我读了许多书。 7.自2004年以来我就是一名老师。 8.我在东海居住好多年了。
如何区别现在完成时和一般过去时 1. ①I saw the film yesterday.
我昨天看了那部电影。 ②I have seen the film.
我已经看过那部电影了。区别一 _一__般__过__去__时__ 的谓语动词用动词的过去式，而 _现__在__完__成__时___ 的谓语基本构成是 “have / has + 动词的过去分词形式”。

牛津译林版八年级英语下册Unit 1 Grammar公开课课件

A. see
B. have seen
C. saw
D. will see
6. — China develops so fast.
group?
— Yes, I have.
A. Did, study
B. Are, studying
C. Were, studying D. Have, studied
2. — Lucy, _____ you ____ your ticket?
— Not yet.
A. did; find
B. have; found
Millie: I (2)___s_a_w___(see) one last Saturday.
Sandy: What’s it about? Millie: It’s about the changes in Beijing over the past century.
From the film, I (3)_h_a_v_e_l_e_a_r_n_t____(learn) more about Beijing’s past and present. Sandy: Oh, I think I (4)h__a_v_e_h_e_a_r_d_(hear) about the film. Do you plan to see it again Millie: Yes, I’d like to
C. has; found
D. do; find
3. My grandmother ______ a lot of
changes in Tianjin since she came here.
(2011天津)
A. sees
B. can see

牛津译林版八年级下册Unit 1《Past and Present》ppt语法课件

三、just, recently是完成时的时间状语， just now 有a moment ago 之意，是一般过去时的时间状语。
The train has just arrived. 火车刚到。 Did you see Joan just now? 你刚才看到琼了吗？ Have you heard from your family lately/recently? 你最近收到家人的来信了吗？
2. 现在完成时的否定句句型：主语 + have/has+ not+过去分词 I have not seen the movie yet. He hasn’t been to Beijing since １)then 、句中有ever直接将ever变为never
２)、若无ever，在助动词have／has之后加not
years/ since two years ago/since 2000. has been (be) in China these • Mr. Green _________ years. have written • They ____________(write) 15 songs so far. has grown (grow) more • The population ____________ slowly in the past ten years.
写出下列动词的过去式和过去分词:
be give see make put come write was/were gave saw made put came wrote been given seen made put come written
注:不规则动词见书上121页不规则动词表.

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