江苏省扬中市同德中学八年级英语上册 8A Unit8 Natural disasters 课件2

1、8A Unit 6Natural disasterrammarWhat is the girl doing now ?She is running now .What was the girl doing just now ?She was running just now .What is the boy doing now ?He is jumping now . What was the boy doing just now ?He was jumping just now .What is the bear doing now ?He is skiing nowWhat was the

2、 bear doing just nowHe was skiing just now .过去进行时主要表示： 在过去某一时刻正在进行的动作 （a）They were eating breakfast at 7:00 am yesterday . （b）I was writing a letter at this time yesterday . （c）Five minutes ago , Danny was looking out of the window and Suzy was reading a book . 在过去某一阶段一直在进行的动作 （a）From 1983 to 1998 ,

3、 he was teaching at in Beijing. （b）They were building a house last winter .过去进行时的句式 （1）基本结构：was/were + verb-ing （2）否定式：was/were not + verb-ing was not = wasnt were not = werent （3）疑问句：将 was/were 调到主语前 （4）I/he/she/it was + verb-ing you/we/they were + verb-ingWatch and sayGuessing GameWere they?Guessi

4、ng GameWas he.?Guessing GameWere they?Guessing GameWas she.?Was he.?Guessing GameGuessing GameWas it.?at this time yesterdayat 10 a.m. this morningfrom 4 to 5 last SundayAsk and answer at 8:00 yesterday morning at this time yesterday from 8 to 9 last night AI was eating choudoufu.They were eating ya

5、ngrouchuan.At 10 a.m. this morning at 10 a.m. this morningI was reading a guidebook infront of Xuanwu Lake.She was shoppingfrom 8 to 9 last nightat this time yesterdayafternoonWe were visiting beijing. B. Past continuous tense with while and whenWhat was the rabbit doing just now ?What was the pig d

6、oing just now ?He was jumping just now .He was dancing just now .The rabbit was jumping while the pig was dancing .The worm was eating while the dog was reading .Two long actions went on at the same time .The rabbit was jumping while the pig was dancing . The worm was eating while the dog was readin

7、g .While the pig was dancing , the rabbit was jumping .While the dog was reading , the worm was eating .连词 while 与过去进行时 当两个延续性动词同时进行时，我们可以在两个句子中都用过去进行时，并用 while 连接。 当 while 用在句首时，两个句子应用逗号隔开。When 和 while 的区别:2.The earthquake started while I was doing some shopping.3.I was trying to find my way out wh

8、en I suddenly heared some noise above me.1.People were running wildly while pieces of glass and bricks were falling down.当延续性动作进行的同时也有别的动作发生,用when或while 连接两动作.延续性动作用过去进行时而短暂性动作用过去时.Conclution:Finish the exercises of page101.2.While Daniel was making a snowball, he fell over.3. Suzy was making a snowman while Kitty was standing bes