Revising Present Perfect

Hello, everybody:

Let's do an intereactive activity if you really know Present Perfect tense?

Ativity One: Have or Has? 

Read the sentence carefully and choose the best option.
Click HERE

Activity Two: Put the verbs into the correct form

Click HERE and do the exercise. Then click on check to see the results of your work.

Activity Three: Gap fill exercise (just, already, yet)

Put the words in the correct order. Click HERE to start. Click on "check" to see the results .