21. He has been watching TV since morning. (Present Perfect Continuous.)
22. Tomorrow I am having an English class at 8 o'clock.(Present Continuous)
23. The air in the city is becoming more and more polluted. (Present Continuous)
24. I've lost my purse. (Present Perfect)
25. Her hair is dirty. She has been painting the house the whole day long.
(Present Perfect Continuous.)
26. You are always losing something! (Present Continuous)
27. You have already been writing the composition for two hours. (Present Perfect Continuous).
1.This bed isn't comfortable enough for two people
2.I understand a lot of German,but i'm too scared to speak it
3. You can't park you car there.It is too close to the edge of the cliff
4. i'm afraid Jenny isn't talented enough to become a famous singer
5.This box is too heavy for me:i can't lift it