下列句子的被动语态1.My parents allow me to watch TV on the weekends2.

1.My parents allow me to watch TV on the weekends
>>>I am allowed to watch TV on the weekends.
2.Yesterday my mother allowed me to go out
>>>Yesterday I was allowed to go out.
3.We speak English in English class
>>>English is spoken by us in English class.
4.last week he made some words card
>>> Last week some word cards were made by him.
5.He will write a vocabulary list
>>> A vacabulary list will be written by him.
6.I will make a cake for him
>>> A cake will be made by me for him.
7.We can finish this task
>>> This task can be finished by us.
8.Parents should allow us to buy clothes by ourselves
>>> We should be allowed to buy clothes by ourselves.
9.I write with pen
>>> 此句没有宾语无法变为被动语态

可以把句子看成是 Our letter are usually delivered in the morning by us 信经常在早上被我们寄出去这是被动语态的说法，转化成主动语态就可表达为“我们