The present perfect; the present perfect continuous, the past s

I have already posted/ have been posting it.

• have already posted

• have been posting

Nina has been learning / has learned English for 2 years.

• has learned

• has been learning

She has been playing/ has played tennis since she was eight.

• has been playing

• has played

he birds have already flown/ have been flying to the South.

• have already flown

• have been flying

The train has just come/ has been coming.

• has just come

• has been coming.

She has been teaching/ has taught at this school for twenty years.

• has been teaching

• has taught

The children have been watching/ have watched cartoons for 2 hours.

• have been watching

• have watched

William has been working/ has worked at the music shop for 7 months.

• has been working

• has worked

Mary and Sam have collected/ have been collecting stamps for 3 years.

• have collected

• have been collecting

I ………. to her before.

• • A. talked

• have talked 

• • was talking