Present Tenses

I........for a long time.

• don't see

• haven't seen

• haven't been seeing

I'm tired. I ....for the last six hours.

• have been tidying

• am tidying

• have tidied

Present Perfect

• every day

• yet

• just

• on Sudays

Present Perfect Continuous

• just

• for

• all day

• sometimes

Present Simple

• usually

• every day

• at present

• now

Present Continuous

• sometimes

• at the moment

• tonight

• yet

.......the dates of your friends' birthdays?

• Are you remembering

• Do you remember

• Have you remember

How long ........here?

• have you been waiting

• do you wait

• are you waiting

And now I ....... (not know) what to do.

...... (you/finish) your essay yet?