初中Grammar优质课件ppt

这是一份初中Grammar优质课件ppt，共16页。PPT课件主要包含了Revision，S+ 动词的过去式，Practice，Summary等内容，欢迎下载使用。
Learn the new wrds
digital /dɪdʒɪtl/ in persncheck utmenu /'menju:/sign /saɪn/sign up (fr sth)training /treɪnɪŋ/list /lɪst/reprt /rɪ'pɔ:t/ bk /bʊk/ticket /'tɪkɪt/ cash /kæʃ/
adj.数字式的，数码的亲自，亲身察看，看一看; (从图书等)n.菜单vi.&vt.签(名); 和...签约报名(参加课程)n.训练, 培训n.目录，清单n.报告; 汇报:报道vt.&vi. 预订, 预约n.票，人场券n.现金
S+ have/has + 过去分词
1. 表示过去发生或已经完成的动作对现在造成的影响或结果。2. 表示从过去某一时间开始一直持续到现在的动作或状态。3.表示某个动作从过去到现在发生的次数。
1. 表示过去某个时间发生的动作或存在的状态。2. 表示过去经常或反复发生的动作。
yesterday， last night / week / 1990，at six years ld,tw days ag …just nw
already, yet, just, recently, never, befre, ver the years, in the past few years, s far, till nw
1. When I was yur age, I ften _____(g) there t play ftball at the weekend. 2. I _____________(live) in Shenzhen fr ten years.3. In 2002, the gvernment _______(begin) t build the sprts park there.4. Many years ag, peple ______(have) t get arund the twn n ft. 5. Our twn ____________(becme) mre mdern ver the years.6. Thanks t the gvernment's supprt, the rads in the village ______________ (imprve) a lt in recent years.
have imprved
Simple past tense VS Present perfect tense
Hi, Daniel. My family _________ (mve) t Liverpl tw years ag. It feels like we ______ (cme) here just yesterday. We__________(live) in a small flat since we _______(arrive), but Dad says we're ging t mve t a new huse sn.Dad ____ just____ (g) t wrk. He's an engineer. He travels a lt. He ______(g) t China last mnth. He _______ back many fantastic things! He_______(be) t China three times s far. He says it's really wrth a visit! Maybe I can visit yur cuntry this summer hliday.
has gne
Presentatin
Fill in the blanks
Present perfect tense
Simple past tense
我们用现在完成时讲述一个动作发生在过去并且持续到现在的动作。
Wrk ut the rules (1)
我们用一般过去时讲述过去发生的事情。
我们用一般过去时讲述过去某个时间发生的事情。
我们用现在完成时谈论或强调一个动作的结果，而动作发生的时间可能并不重要。
Wrk ut the rules (2)
我们用一般过去时讲述过去发生的事情（的时间点）。
我们用现在完成时讲述一个动作到现在为止已经发生的次数。
Wrk ut the rules (3)
simple past
present perfect
Wrk ut the rules
have played
has visited
ten caves n it 上面有十个洞穴
the Digital Dunhuang website 数字敦煌网站
Hangzhu Arts and Crafts Museum杭州工艺美术博物馆
in persn 亲自；亲身
have cllected
have visited
has nt visited/hasn’t visited
Intrduce... t 把…… 介绍给……
Sign up fr a swimming training curse 报名参加游泳训练课程
tw pages f infrmatin两页的信息
a list f different shws 不同演出的清单
has bked
Will Mark’s family take an nline tur r travel t China in persn?
They will travel t China in persn./ They will chse n-site travel.
What is the reasn fr nt using the simple past tense here?
Which will yu chse, nline tur r travel in persn? Why ?
Further thinking
Dn't bk tickets
Dn't carry cash
Enjy the real attractins
一般过去时表示过去某个时间发生的事情或存在的状态，说话的侧重点在陈述过去发生的事情或存在的状态。
现在完成时表示到说话时为止已经发生或完成(不一定结束)的动作或状态, 强调造成的结果或对现在产生的影响。
一般过去时通常与表示过去的时间状语连用，yesterday，last week，tw years ag，just nw, in2022等。
现在完成时则通常和频度副词或表示一段时间的状语连用,如 many times, never, these days, this week, since ... fr ..., till nw, recently等.