Task 2. Complete the sentences with Present Perfect, Present Perfect Continuous, Past Perfect forms of the verbs in brackets.
1. We( raise) 500$ for charity .
2. He (go) to the football club for nearly a year now
3. You look really tired. How many exams (have) this week?
4. I (not sell) any tickets for the concert. Nobody’s interested.
5. We_(pick) up rubbish from the beach every weekend since May.