The passive; Present perfec for and since.pptx

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1. The passive : present and past simple

2. Forming Simple Present Passive The  passive voice  is used to show interest in the person or object that experiences an action rather than the person or object that performs the action Passive Voice: Simple Present Subject +be (am, is, are) + Verb in past participle Something is done by someone regularly / everyday / as expected...

3. Examples : Active : The gardener waters the flowers every evening. Passive: The flowers are watered by the gardener every evening. Active : Helen doesn't drink anything in parties. Passive: Nothing is drunk by Helen in parties. Active: Many people read this writer's articles. Passive: This writer's articles are read by many people Active: Jackie milks the cows every morning. Passive:

4. Forming Simple Past Passive Something was done by someone at sometime in the past. Passive Voice: Simple Past Subject +be (was/ were) + Verb in past participle

5. Examples : Active : The teacher corrected the mistakes. Passive: The mistakes were corrected by the teacher. Active : Lauren didn't eat any apples. Passive: No apples were eaten by Lauran. Active : He didn't give the wallet. Passive: The wallet wasn't given by him. Active : Did the little boy sell all the candy bars? Passive: Were all the candy bars sold by the little boy?

6. Present perfect with for and since

7. Using the present perfect, we can define a period of time before now by considering its  duration,  with  for +  a period of time,  or by considering its  starting point , with  since +  a point in time . FOR and SINCE can also both be used with the past perfect. SINCE can only be used with perfect tenses. FOR can also be used with the simple past. For + a period of time for  six years,  for  a week,  for  a month,  for  hours,  for  two hours I have worked here  for  five years. Since + a point in time since  this morning,  since  last week,  since  yesterday since  I was a child,  since  Wednesday,  since  2 o'clock I have worked here  since  1990.

8. Present perfect with FOR She has lived here  for  twenty years. We have taught at this school  for  a long time. Alice has been married  for three months. They have been at the hotel  for  a week. Present perfect with SINCE She has lived here  since  1980. We have taught at this school  since  1965. Alice has been married  since  March 2nd. They have been at the hotel  since  last Tuesday .

9. Speaking activity