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C. Present perfect tense

The present perfect tense shows that an action or condition started in the past, is continuing
now, and will probably continue into the future. When the person thinks about this action or
condition, she/he connects the past action to the present time. He/she sees a connection
between the past and present. Maybe the person will continue or repeat the action or
condition.

Mary has been here for two months. (She came in January. Now it is March and she
is still here. She will probably be here for several months.)
Since I arrived I have gone to two shopping centers, an interesting museum, and a
large park. (I will be here for two years and I will probably visit many more places.)
Tony has taken twenty pictures this week. (Today is Thursday. Tony started taking
pictures on Monday. The week is not finished and he might take some more pictures.)

C1. Put the correct past participle in the blanks.

1. (see) I have ___________ three movies this month.

2. (eat) Ann has ___________ lunch in the Student Union every day this week.
3. (be) Ali has ___________ to two classes since 8:00 a.m.

4. (buy) Dan has ____________ three new shirts since May.

5. (be) Marie has ______________ here a week and she has (make) _________ friends
with some of the students in her class.

6. (go) She has ___________ to three parties since she arrived.
7. (meet) Paulo has _________ some other students from Brazil this month.

8. (got) He has __________ good grades on all his quizzes.
9. (take) We have _________ a lot of pictures since Sunday.

10. (do) We have _____________ a lot of different things since we arrived.
11. (teach) The reading teacher has __________ us a lot of new words this week.

12. (speak) I have __________ a lot of English since my first day here.

D. For/since

We often use for and since with the present perfect. Use for with a period of time. Use since for
a point in time such as a day, date, month, or year.

Ali has been here for six months.
He has been here since January.
He has studied English since he was a child.

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