Придумайте три предложения past indefinite tense

I visited my grandparents last Sunday.
Last winter was very cold.
My friend wrote me a letter two days ago.

1. New services for consumers are being provided by banks this year.
2. Models are used to study actual relations in an economy by economists.
3. The growth of unemployment has been recently predicted by the economists.
4. Individuals are considered as suppliers of labour and capital by us.
5. High employment will be achieved by the government next year.
6. Correct methods and models were chosen for his analysis by the economist.
7. Many workers are being employed by them this week.
8. The book wasn't written by him in 1967, it was finished by him a year later.

1. New services for consumers are being provided by banks this year
2. Models are used by economists to study actual relations in an economy
3. The growth of unemployment has been recently predicted by the economists
4. Individuals are considered by us as suppliers of labour and capital
5. High employment will be achieved by the government next year
6. Correct methods and models were chosen by the economist for his analysis
7. Many workers are being employed this week
8. The book wasn't written in 1967, it was finished a year later