The government hasn't been trying to reduce the air pollution.How long have you been driving lessons?I have been learning English for a long timeWe all should try to make up with friends soon after silly tiffs.I cannot make out this rule.She has been trying to raise money for the zoo for months.We have been working hard to build nesting boxes.I have been volunteering to help stray animals for a year now!Rose is cleaning out the pond, isn't she?You can speak three languages, cannot you?There weren’t any spots there, were there?He has been working hard, hasn't he?She walked to work, didn't she?Tony won’t work in the garden, will he?Bill always cleans his room, doesn't he?Ray broke his arm yesterday, didn't he?Children like reading fairy tales, don't they?
1.Our grandmother cooked dinner yesyerday.
2.They traveled to Africa last year.
3.My friend read an interesting book yesterday.
4.They built a huge bridge last year.
5.Our new teacher inroduced herself.
6.My friend ate ice-cream and drank Coke yesterday.
7.Did you meet your parents yesterday?
8.Did they find their bag?
9.We didn't get presents.
10.He didn't leave his home yesterday.
11.Did he spend a lot of money?
12.Did your granny made a cake last week?