Ex1.
Cấu trúc: S + am/is/are + $V_{3}$($V_{pp}$)/$V_{ed} (+ by O)
1. The lesson is explained by the teacher.
2. Some exercises is done every day by he.
3. English is spoken all over the world.
4. I am not taught English by he.
5. Badminton is played in the afternoon.
6. Her bike isn't ridden every morning.
7. Their homework is done well by the students.
8. Books is sometimes read before going to bed
9. Vietnamese is never spoken by my teacher.
10. The streets in the city is tidyed by the workers.
Ex2.
1. Hoa always helps her parents on their farm in her free tine.
2 . Do you like doing during your vacation?
3 .I would like to ask you some questions.
4 . Hoa is having breakfast with her uncle now.
5 . He won't come to the party tomorrow night.
6 . They are talking about Hoa’s work at the moment.
7 . Students should review their work before tests.
8 . Will She meet her old friends tonight ?
9 . Mai loves playing the piano.
10 . I am going to visit my family during my vacation.