refer
16. My brother always invent telephones……telephones are always invented by my brother…………………………………
17. Lan often do the chores on sundays-> ……The chores are often done on Sundays by Lan…………………………………………
18. They cook the meal themselves-> ……The meal is cooked themselves ………………………………………
19. Tan usually buy fish and vegetables for her mother-> ……Fish and vegetable are usually bought for her mother by Tan…………………
20. We don't use the saucepan and frying pan-> ……The saucepan and frying pan aren't used by us…………………………………
21. Do you call Aunt Hoa every night?-> ……Is Aunt Hoa called by you every night?……………………………………
22. Does your mother put the rug between the armchair and the couch?-> ………Is the rug put between the armchair and the couch by your mother?……
23. The mother doesn't let children play in the kitchen-> …Children aren't let to play in the kitchen by the mother…………………………………
24. Children do not play with matches-> ……Matches aren't played with by children…………………………………………
25. My younger sister always empty the garbage in early morning-> ……The garbage is always emptied by my younger sister in early morning…………
26. Hung cleans the fish tank every afternoon-> ………The fish tank is cleaned by Hung every afternoon……………………………………
27. Does our teacher do the experiment this afternoon? -> ……Is the experiment done by your teacher this afternoon……………………
