高一英語 Module2 Unit1 Tales of the unexplained Grammar（2）課件 牛津版

1、高 一 英 語,Module 2 Unit 1 Tales of the unexplained Grammar(2),Homework checking,Structures connected with the present perfect tense: 1) It is (has been) +a period of time +since-clause. 2)This (That/It) is the first (second) time + that-clause (present perfect tense). 3)This (That/It) is the best/ fin

2、est /most interesting + that-clause. (present perfect tense).,the Present Perfect Continuous Tense 現(xiàn)在完成進(jìn)行時態(tài),Form: have / has + been +doing,present perfect,present perfect continuous,The boy started having dinner five minutes ago. He is still having dinner now. The boy _ (have) dinner since five minu

3、tes ago.,has been having,The man started working in the field half an hour ago. He is still working now. The man _ (work) in the field for half an hour.,has been working,Summary 1:,1.We use the present perfect continuous tense to talk about actions that started in the past and are still continuing.

4、I have not been sleeping well since I returned home. past present,not being able to sleep well,Im still not sleeping well.,I returned home.,Summary 2:,We also use the present perfect continuous tense to talk about actions that have just finished but are still connected to the present in some way. -S

5、orry Im late. Have you been waiting long? -Yes. Ive been waiting for an hour.,Practice,P.9,Please read Notes1-4 on Page 10 carefully.,P.10 Comparison,Present perfect or present perfect continuous tense?,She is still reading the book.,Li Jia has been reading a book about Stonehenge.,Li Jia has read a

6、 book about Stonehenge.,She finished reading the book. She knows the content of the book now.,Note: We use the present perfect tense to talk about an action completed in the recent past, and the present prefect continuous tense for an action that started in the past and is still happening.,She _ (vi

7、sit) Japan twice this month.,He _ (tour) America for two months.,has visited,has been touring,Note: The present perfect continuous tense cant be used with time expressions such as twice or how many times, because in this tense the action is continuous, not stopped and started again. We can use the p

8、resent perfect tense for repeated actions, and the present perfect continuous tense for non-stop actions.,How many times _ (swim) in the lake?,How long _ (swim) in the lake?,have you been swimming,have you swum,Note: We usually use the present perfect tense to ask questions beginning with how many/m

9、uch, and the present perfect continuous tense to ask questions beginning with how long.,1)She has had the pen for 2 years. 2)She has written many compositions with this pen. 3)She has been writing compositions with this pen.,state verb,action verb,action verb,A state verb or an action verb?,An actio

10、n means something happening or changing. A state means something staying the same. Some examples of action verbs are do, go, and play. Some examples of state verbs are like, know and exist.,Note: We can use either a state verb or an action with the present perfect tense, but we usually can only use

11、an action verb with the present perfect continuous tense. A state verb doesnt mean an action, so it cant be used in a continuous tense.,Theyve always had a big garden. How long have you known each other? Hes been in hospital since his accident.,Ive already been to Tibet.,Ive never visited Tibet.,Not

12、e: We use the present perfect tense, not the present perfect continuous tense, with the words like always, never, yet, already and ever.,How long have you been learning English?,How long have you learnt English?,It has been raining for a long time.,It has rained for a long time.,Note: An action whic

13、h began in the past and is still continuing or has only just finished can, with certain verbs, be expressed by either the present perfect or present perfect continuous. Verbs which can be used in this way include expect, hope, learn, lie, live, sleep, sit, study, wait, want, snow, etc.,P.11,Practice

14、,( ) 1. Although he has lived with us for years, he _ us much impression. hadnt left B. didnt leave C. doesnt leave D. hasnt left,Multiple choice,D,( ) 2. How can you possibly miss the news? It _ on TV all day long. A. has been B. had been C. was D. will be,A,( ) 3.- _ Dad and Vicky _ married? How long were, being How long, have C. How long have, been D. How long did, get,C,( ) 4. - How long _ at the job? - Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you been employed,B,( ) 5. I wonder why