18 Present Perfect vs Past

7/28/2019 18 Present Perfect vs Past

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18. I have done (present perfect)and I did (simple past)

A. Sometimes you can use the present perfect or the simple past ( I have lost or lost,

he has gone or he went, they have seen or they saw,etc.)

Wheres your key? Ive lost It. or I lost it.

Is Jack here? No, hes gone home. or He went home.

B. With a finished time (for example: yesterday / last week/ in 1988/ six months ago).You can only use the past (not the present perfect):

Past + finished time

Yesterday finished time

We arrived last week yesterday

(Not we have arrived) at oclock last week

In 1986 six weeks ago

Six months ago

Past now

Do not uses the present perfect (have done / have lost / have been, etc.)With a

finished time:

I saw Jack yesterday (not I have seen Jack yesterday.)

Where were you last night? (Not Where have you been last night?)

We didnt take a vacation last year. (Not We havent taken )

I got up at 7:15. I Washed, got dressed, and then I had breakfast

William Shakespeare (1564 1616) was a writer He wrote many plays and

poems (not .has been a writer.has written many plays)

Use the simple past to ask when? Or what time?:

When did they arrive? (Not when have they arrived?)

Raymond Murphy. Essential Grammar in Use. Singapore : Cambridge University Press. 2002.


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C. Compare:

I have lost my key. Or I lost my key but I lost my key yesterday.

(= I cant find it now) (Not I have lost my key yesterday)

Bill has gone home or Bill went but Bill went home ten minutes ago.

Home (= he isnt here now) (not Bill has gone home ten minutes ago)

Have you had lunch? Or but When did you have lunch?

Did you have lunch? (Not when have you had lunch?)

Time until now (present perfect) finished time (past simple)

Time until now finished time

Past now past now

Have you ever been to Spain? But did you go to Spain last year?

(= in your life, until now)

My friend is a written many books. But Shakespeare wrote many plays and

Weve lived in Singapore for six poems.

years.( = we live there now) but We lived in Taipei for six years, but

Now we live in Singapore.



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Exercises

18.1Use the word in parentheses ( ) to answer the questions.

1. Have you lost your key?

2. Have you seen Bob?

3. Have you painted the room?

4. Has Jane gone to France?

5. Have the children had dinner?

6. Has he started his new job?

( yesterday )Yes, I lost it yesterday.

(ten minutes ago) Yes, I .. ten minutes ago.

(last week) Yes, weit

(on Friday) Yes, she

(at 7 oclock)..

(yesterday).

18.2 Write questions with When? And What time ?


1.

2.

3.

4.

What time ?

What time ?

When .you.. ?

When ?

They have arrived.

Bill has gone out.

Ive seen Ann.

Shes left her job.

18.3 In these sentences the verbs are underlined. Are they right or wrong? Correct the verbs

that are wrong.

1. Tom arrived last weekRIGTH.2. Have you seen Pam last week?WRONG Did you see 3.

I have finished my work.

4. I have finished my work at 2 oclock. ..5. When have you finished your work? 6. George has graduated from school three years ago. 7. Wheres Ann? Shes gone to the movies. .8. Napoleon Bonaparte has died in 1821. .9. Have you ever been to Argentina? ...


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18.4 Put the verb in the present perfect (I have done) or the simple past (I did ).

1. My friend is a writer. She ..has written... (write) many books.2. We didnt take.. (not/take) a vacation last year.3. Did you see(you/see) Tony last week ?4. I.. (play) tennis yesterday afternoon.5. What time (you /go) to bed last night ?6. .(you/ever/be) to Australia ?7. I (wash) my hair before breakfast this morning.8. When I was a child, I . (not/like) sports.9. Kathy loves traveling. She..(visit) many countries .10.John works in a bookstore. He (work) there for three years.11.Last year we ... (go) to Thailand for vacation. We ..(stay) there for there weeks .

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18 Present Perfect vs Past