牛津版八年级英语上Unit2 grammar.ppt

1、Grammar A.Past continuous tenseB.Past continuous tense C.with while and whenD.C.Using so that A.Past continuous tenseWhat is the girl doing now?What is the boy doing now?What is the bear doing now?She is running now.He is jumping now.He is skiing now.Present continuous tensebe(am/is/are)+verb-ingWha

2、t was the girl doing just now?She was running just now.What was the boy doing just now?He was jumping just now.What was the bear doing just now?He was skiing just now.Past continuous tense be(was/were)+verb-ing1.过去进行时主要表示：过去进行时主要表示：在过去某一时刻正在进行的动作在过去某一时刻正在进行的动作 （a）They were eating breakfast at 7:00 a

3、m 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在过去某一阶段一直在进行的动作 （a）From 1983 to 1998,he was teaching at Yale.（b）They were building a dam last winter.2.过去进行时的句式过去进行时的句式1.（1 1）基本结构：基本结构：was/

4、were+verb-ing2.（2 2）否定式：否定式：was/were not+verb-ing3.was not=wasnt4.were not=werent5.（3 3）疑问句：疑问句：将将 was/were 调到主语前调到主语前6.（4 4）I/he/she/it was+verb-ing7.you/we/they were+verb-ingComplete the conversation with the correctforms of the verbs in brackets.Daniel:I tried to call you last night but your phon

5、e line was busy.What you (do)?Amy:When you (pnone)me?Daniel:It was about seven.I (do)my homework at that time.was doingweredoingdidphoneAmy:Oh,I (talk)to Millie on the phone.I (tell)her about my trip to Shenzhen.She (plan)to go there with her family during May Day holidays.Oh,by the way,why you (cal

6、l)me?was talkingwas telling was planning did callDaniel:I (do)my Maths homework and I (not understand)one question.But never mind,I (ask)Simon already.was doingdidnt understand have askedComplete the questions and answers,using the past continuous tense.1.Q:Miss Lu (make)test papers2.at 1:30 pm?3.A:

7、Yes,.4.2.Q:the Principal (write)a speech5.in the library at noon?6.A:No,.He was writing a speech in 7.his office.Wasmakingshe wasWaswritinghe wasnt3.Q:the librarian (write)a speech two hours ago?A:No,.She (make)a notice in the library.4.Q:Mr Hus assistants (do)an experiment at lunchtime?A:Yes,.Waswr

8、itingshe wasntwas makingWeredoingthey were5.Q:class 1,Grade 8 students (wait)for Tommy at lunchtime?A:No,.They (visit)the library at lunchtime.6.Q:David (wait)for Tommy after school?A:Yes,.Werewaitingthey werentare visitingWaswaitinghe was B.Past continuous tense with while and whenWhat was the rabb

9、it doing just now?What was the pig doing 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.We were clapping our hands while the performers were marching acr

10、oss the park.The rabbit was jumping while the pig was dancing.The worm was eating while the dog was reading.While the pig was dancing,the rabbit was jumping.While the dog was reading,the worm was eating.连词连词 while 与过去进行时与过去进行时 当两个延续性动词同时进行时，我们可以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，在两个句子中都用过去进行时，并用并用 while 连接。连接。当当 while 用在句首时，两个句子应用逗号隔用在句首时，两个句子应用逗号隔 开。开。