1. we celebrate the Mid Autumn festival every year=>The Mid Autumn festival is celebrated every year(by us)

2. His mother drave me home last night=>I was driven by his mother last night

3. The president will provide more traffic rules for people=> More traffic rules for people will be provided by the president

Note:Nếu chủ ngữ trong câu chủ động là các đại từ nhân xưng(ví dụ như từ "we" trong câu 1), hay các đại từ bất định (someone,everyone,no one,nobody,people,...)thì có thể lược bỏ trong câu bị động nhé!

Chúc bạn học tốt

1. The Mid Autumn festival is celebrated every year.
2. I was driven home (by his mother) last night.
3. More traffic rules for people will be provided (by the president).