Make the present perfect continuous positive or negative:
1. (she / work here for five years)

2. (I / study all day)

3. (you / eat a lot recently)

4. (we / live in London for six months)

5. (he / play football so he’s tired)

6. (they / learn English for two years)

7. (I / cook so I’m really hot)

8. (she / go to the cinema every weekend for years)

9. (it / rain, the pavement is wet)

10. (you / sleep for twelve hours)
1. (I / not / work today)

2. (you / not / eat well recently)

3. (we / not / exercise enough)

4. (she / not / study)

5. (they / not / live here for very long)

6. (it / not / snow)

7. (he / not / play football for five years)

8. (we / not / drink enough water – that’s why we feel tired)

9. (I / not / sleep – I was reading)

10. (they / not / watch TV much recently)

once my mother and i were invited to a local theater. tickets were booked in advance. i knew that our seats would be in box. to be honest, my mother was not quite satisfied. she said she did not know the play and had a fear that this play is for adults, not for children of my age. certainly, i looked forward to the day of performance

1. am packing

2. does pack

3. don't save up

4. are, saving up

5. am meeting

6. meet

7. are looking 

8. lost, looked

9. are, doing, am waiting

10. cries, waits 

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !