domingo, 3 de mayo de 2009

PRESENT PERTECT CONTINUOUS

How can you recognize it?

Example:
- This verbal tense can be found in sentences where we identify a subject, the auxiliary have/has, the verb to be its in ing form, a verb its in past participle and complement.

- I have been wacthing tv.


What is it used for?

- We use the Present Perfect Continuous to show that something started in the past and has continued up until now. "For five minutes," "for two weeks," and "since Tuesday" are all durations which can be used with the Present Perfect Continuous.


Example:
- I have been waiting here for five minutes. She has been waiting here for five minutes.



STRUCTURE:

Affirmative: Subject + have/has + been + verb (ing) + coomplement

I have been living here since last week. She has been living here since last week.


Negative: Subject + Have/has + not + been + verb (ing) + complement.

I haven't been living here since last week. Ahe hasn't been living here since last week


Interrogative: Auxiliary + Subject + been + verb (ing) + complement?

Have you been living here . . . . ? Has she been living here . . . . . .?

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