Составьте по 2 предложения:
1) Present Simple Passive
2) Past Simple Passive
3) Future Simple Passive
4) Present Continuous Passive

1) This book is given to us

The flowers are watered by us

2) This book was given to us

The flowers were watered by us

3) This letter will be sent tomorrow

That exercise will be done next time

4) The school was being built

The house is being repaired