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29 de set de 2010

Present Perfect- COMO USAR???


Present Perfect
Examples
Usage
Fred Meyers has had excellent profits this quarter.
The class's understanding has increased greatly this semester.
Have they finished the report yet?




Giving or asking for news or recent events.

The study of irregular verbs has improved test scores.
They have bought a new car.
I've already eaten lunch.








Past actions with results in the present.

She's traveled in many parts of the world.
Have you ever been to France?
They've never seen a mountain.



Life experience
He's
lived in San Francisco for 10 years.
How long have you worked for this company?
They've
studied English for 3 years.


Unfinished actions (action still in progress). In this respect the present perfect and present perfect continuous are very similar.
Common present perfect time expressions include:
for (with a period of time), since (with an exact point in time), ever, never, yet, already, this week (month, year)

Structure
Conjugate the verb 'have' (have or has) past participle. Regular verbs end in -ed. If the verb ends in -y preceded by a consonant, change the -y to -ied. Irregular verbs must be studied.
I
You
We
They

have lived in Seattle since 1978.
He
She
It

has worked for many years.
Conjugate the verb 'have' (have or has) not past participle. Regular verbs end in -ed. If the verb ends in -y preceded by a consonant, change the -y to -ied. Irregular verbs must be studied.
I
You
We
They

haven't seen Tom.
He
She
It

hasn't left yet.
Conjugate the verb 'have' (have or has) Subject past participle. Regular verbs end in -ed. If the verb ends in -y preceded by a consonant, change the -y to -ied. Irregular verbs must be studied..
Have
I
You
We
They

been to Paris?
Has
He
She
It

finished yet?


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