小学英语人教版 (PEP)六年级下册Unit 4 Then and now Part A教学演示ppt课件

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Talk abut yur schl.
There is/are ... in my schl.
Things are changing all the time！事物总是在变化！
D yu knw the changes in yur schl?
Wu Yifan and his father are talking abut their schls.
There is a new gym in my schl.
There is n gym in my schl twenty years ag.
... years ag
tw years ag
ten years ag
ag: 副词，意为“以前”. ag词组用于一般过去时.在句中不能单独使用，它的前面必须要有一个表示时间的词或词组，
ten years ag : 十年前
tw mnths ag : 两个月前
dining hall
There is n dining hall in ur schl last year. But nw there is a new ne.
There is n grass three mnths ag.
tw mnths ag
three mnths ag
five mnths ag
1. 同桌之间练习对话。2. 创编新对话。
______________ in my schl twenty years ag.
Nw _____________ in ur schl.
There was n gym
there's a new ne
n用作形容词译为‘没有'时，后面的名词可以是可数名词单数，也可以是可数名词复数，还可以是不可数名词。当与可数名词的单数或不可数名词连用时,谓语动词用单数,与可数名词的复数连用时,谓语动词用复数
There was n gym in my schl twenty years ag.
There was n library in ur schl.
There were n cmputer rms in ur schl.
There was/were my schl
There is/are my schl nw.
句型转换， 把一般过去时和一般现在时进行互换
There is + 单数或不可数
There are + 复数
There was + 单数或不可数
There were + 复数
There be 句型
There be 句型就近原则
In the Tang dynasty...
Can yu find the mistakes?
At that time，there were n gyms. Peple didn't g by bus. Peple culdn't use the Internet.
traffic lights
Lk and say!
At that time，there was/were n ...
dining ____
(　　) 1. Peple culdn't _______ the Internet A. use B. uses C. using (　　) 2.There ___ a gym and tw buildings last year. A. was B. were C. is(　　) 3.There_________ n milk in the glass. A. is B. isn’t C. aren’t
1. gym, ag, n, there, years, was, ten, (.) 连词成句_________________________________2. There is a library nw.(用last year改写)_________________________________3. 那个时候没有汽车.(翻译句子)____________, ____________________
There was n gym ten years ag.
There was a library.
At that time
there were n cars.
学习词汇：dining hall, gym, grass，…years ag, last year, …mnths ag, last mnths学习句型：There is/are was/were...