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Exercise 3:

1. was ( I số ít )

2. was ( I số ít )

3. was ( it số ít )

4. were ( my friends  số nhiều )

5. were ( my family and I số nhiều )

6. was ( my mom = she số ít )

7. was ( my dad = he số ít )

8. were ( my friends and I số nhiều )

 I/ He/ She/ It/ Danh từ số ít + was

We/ You/ They/ Danh từ số nhiều + were

Exercise 4:

2. Wrong ! Lucy wansn't at the cinema . She was at home.

3. Wrong! Harry wansn't at the shops . He was in the libary 

4. Wrong ! Beth wansn't at school . He was at the dentist's

5. Wrong ! Cosmo and Bella weren't at the park. They were in the garden

6. Wrong ! Mr and Mrs Hardy weren't at the cinema. They were at the theatre

7. Wrong ! Aunt Agatha wasn't at the theatre. She was at the hairdresser's