Rewrite the sentences 1.Did the pupils send the letters the day before yesterday?(Passive voice) =>
2 câu trả lời
` 1 ` : Were the letters sent the day before yesterday ?
` - ` Cấu trúc câu bị động thì quá khứ đơn
` ( + ) ` : S + was / were + ` V3 ` + by + O
` ( - ) ` : S + was / were + not + ` V3 ` + by + O
` ( ? ) ` : Was / Were + S + ` V3 ` + by + O ?
` - ` Dấu hiệu nhận biết : the day before yesterday
` - `Letters là số nhiều nên dùng be là were
`1` Were the letters sent ( by the pupils ) the day before yesterday ?
`=>` Bị động thì quá khứ đơn :
`-` Wh - question + was / were + S + Vpp + ( by + O ) ?
`**` Trạng từ chỉ thời gian luôn đứng sau " by + O "
