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V. Supply the correct form of the verbs:
1. Please keep silent when I ( study )...am studying... . It ( be ) ....is.... so noisy
2 . Sorry ! At this moment I ( learn )...am learning... in the class. I ( call) ...will call... you later
3. We should not ( make ) ...make... noise in the class while the teacher ( explain ) ...is explaining... the lesson
4 . Hello ! I ( help ) ...am helping... my mother with the cooking now. What are you (do )...doing.... there?
5 . I never ( watch )...watch.... TV while you ( do ) ...are doing... the homework
6 . What are you (do) ....doing.... here in the class at recess while all your friends (play)....are playing.... in the school yard.
7 . He often ( sit ) ....sits... and (watch ) ...watches... around while other people ( be )...are... busy with their work.
8 . Linda ( forget ) ....forgot.... to bring her guitar yesterday. I ( be ) ...am... sure she ( forget )....will forget.......about it tomorrow, too.
9 . Are you ( look ) ...looking... for my sister ? She ( not be )....isn't.... at home now.
10. I ( tell ) ....will tell... him the news when he ( come )....comes.... .
11. Who often (help ) ...helps... you correct your exercises ? Both my sister and my sister ( do ) ...do...
12. Did Mary (brush ) ...brush... her teeth before she ( go ) ...went... to bed last night ?
14. They (bring )...will bring... us some magazines if they (come )....come.... .
1. My younger sister forever borrow my clothes.
2.Mum always reads the newspaper while having breakfast.
3.Helen hasn't ever gone out at the weekend.