1. Dishes are often washed by my mother .
$+$ Hiện tại đơn : O -> S + am / is / are + PII + nc + by + time.
2. A cake is being made by her.
$+$ Hiện tại tiếp diễn : O -> S + am / is / are + being + PII + nc + by + time.
3. He car has been washed for hours .
$+$ HTHT : O -> S + have/has + been + PII + nc + by + time.
4. That washing machine was bought by my mother in 2010.
$+$ QK : O -> S + was/ were + PII + nc + by + time.
5. The grass was being cut by her yesterday morning .
$+$ QKTD : O -> S +was/ were + being + PII + nc + by + time.
6. Lunch had been cooked by her before leaving.
$+$ QKHT : O -> S + had been + PII + nc + by + time.
7. The dogs will be fed by me .
$+$ Will be : O -> S + will be + PII + nc + by + time .
8. Their homework is going to be completed this evening.
$+$ Going to : O -> S + am/is/are + going to be + PII + nc + by + time.
