人教新目标 (Go for it) 版八年级下册Section B示范课课件ppt

这是一份人教新目标 (Go for it) 版八年级下册Section B示范课课件ppt，共19页。PPT课件主要包含了拓展延伸，课堂练习等内容，欢迎下载使用。
the number f 表示“...的数量”后面+可数名词复数 / 代词，但是因为中心词是“数量”，也就是说我们的主语是“the number”,所以后面的谓语动词要用第三人称单数形式（be即is,具体因时态而定)。
the number f 表示特指问“...的数量”
The number f wmen in my ffice is 20.
a number f 表示“一些、若干”这个词组的用法相当于sme、a lt f，与sme和a lt f不同的是，sme和a lt f后面同时可以加可数名词复数和不可数名词；而a number f后面只可以加可数名词复数。
a number f = a lt f
A number f letters are frm single parents. (许多信来自单身父母。)
如果表示数量特别多或者没有那么多，该怎么办呢？
我们就可以变成a small number f 或 a large / great number f
说到这里，是不是感觉和某个词的修饰词差不多呢？
对了，这个词就是ppulatin （人口）,China is a cuntry f a large ppulatin. 中国是个人口大国。
a number f + 可数名词复数/代词 + 复数谓语 (一些、若干)
the number f + 可数名词复数/代词 + 单数谓语 (...的数量)
I. 单项选择1. The number f peple in the city ______ abut seven millin nw. A. are            B. has      C. is 2. A number f visitrs ______ visiting the West Lake and the number f the visitrs ______ increasing. A. are; is       B. is; are        C. are; are
现在完成时的定义、标志词
I have been a teacher fr tw years.I have lived in China since I was brn.
表示从过去开始一直持续到现在的动作或状态。
I have already had lunch.(I am nt hungry.)
我已经吃过午饭了。(现在不饿了。)
表示过去已经发生的动作对现在造成某种影响。
I have read this nvel twice.I have never read this nvel.
表示到目前为止动作发生的次数
②since+过去的时间点，意为"自从"。
I haven't seen him since 1999.
I have studied English fr six years
③since+从句（一般过去时）
Tm has taught here since he graduated.
Have yu cleaned the rm yet?
①already，意为"已经"
We have already finished ur hmewrk.
②just,意为"刚刚"
I have just had breakfast.
③yet,意为"还″(用于疑问句和否定句)
They haven't decided yet.
Mary has read the bk twice。
① ever,意为“曾经”
②never,意为"从来没有"
③twice,many times等
Have yu ever cked at hme？
I have never seen such a gd film.
1.Lily is my classmate. We each ther since she came t ur schl.A. knw B. knew C. have knwn D. will knw解题思路题目中标志词为_______，考查 ( 现在完成时/一般过去时) , 故选_______.
___________
2.I the film yet. A. have seen B. haven't seen C. didn't see D. wn't see解题思路①题目中标志词为______,考查 ( 一般过去时/现在完成时) , 故排除______；②yet通常用于______句和______ 句中,故题目中句子应为(肯定句/否定句) ,意为:我还没有看过这部电影，故选___
3. Ice Age ǁ is a very nice film and I ______it twice.A. will see B. seeC. wuld see D. have seen解题思路题意表明:冰河世纪2是一部很好的电影,我(到目前为止)看了两次了。题目中标志词为______,考查(现在完成时/ 一般将来时) , 故选______。
4 Miss Brwn, we ______ cleaning ur classrm. Can we g hme nw?A. finish B. has finishedC. are finishing D. have finished解题思路题意表明:布朗老师,我们打扫完教室了。现在可以回家了吗?题中无明显标志词，但强调"打扫完教室"对现在造成的____ ，故用(现在进行时/现在完成时)，故排除____, 且we后用（have/has）故选____。
fr,since,already,just,yet,ever,never,twice...