chuyển sang câu bị động
1.How has Mai cut down these trees?
How have these trees been cut down by Mai?
2.Why can't you master this couse?
why can't this course be mastered?
3.what should we buy now?
what should be bought now?
4.who is cleaning that floor now?
by whom is that floor being cleaned now?
5.whose mother has to wash the clother?
whose mother has the clothes be washed?
chuyển sang câu bị động
1.How has Mai cut down these trees?
=>How have these trees been cut down by mai
2.Why can't you master this couse?
=>Why wasn't this course mastered by you
3.what should we buy now?
==>What should be bought now
4.who is cleaning that floor now?
=>Who is that floor being cleaned by now
5.whose mother has to wash the clother
=>Whose mother has to have the clother washed
chuyển sang câu bị động
1.How has Mai cut down these trees?
=>How have these trees been cut down by Mai?
2.Why can't you master this couse?
=>Why can't this course be mastered?
3.what should we buy now?
=>What should be bought now?
4.who is cleaning that floor now?
=>Who that floor is being cleaned now?
5.whose mother has to wash the clother?
=>Whose the clothes have to be washed by mother?
chuyển sang câu bị động
1.How has Mai cut down these trees?
=> How have these trees been cut down?
2.Why can't you master this couse?
=> Why can't this course be mastered?
3.what should we buy now?
=> What should be bought now?
4.who is cleaning that floor now?
=> Who is that floor being cleaned now?
5.whose mother has to wash the clother?
=> Whose the clothes have to be washed?
1. How has Mai cut down these trees?
--> How have these trees been cut down by Mai ?
2.Why can't you master this course?
--> Why wasn't this course mastered by you ?
3. What should we buy now?
--> What should be bought now ?
4. Who is cleaning that floor now?
--> Who is that floor being cleaned now ?
5. Whose mother has to wash the clother?
--> Whose mother has to have the clother washed.
