Task 1.
1) I go to school every day.
2) He is speaking English now.
3) We are watching TV now.
4) They dance every day.
Task 2.
a book
an apple
_ ice
an ice-cream
an uncle
a chair
a pencil-box
Task 3.
Chair - chairs
Box - boxes
Dress - dresses
Woman - women
Mouse - mice
Tooth - teeth
Goose - geese
Dog - dogs