9. They have discussed the pollution problems since last month →The pollution problems…………………………..

2 bình luận về “9. They have discussed the pollution problems since last month →The pollution problems…………………………..”

1. 9 . The pollution problems have been discussed since last month 

   – Cấu trúc câu bị động thì hiện tại hoàn thành : S + have / has + ( not ) + been + V3 + ( by O ) 

   – Dấu hiệu : since last month

   Trả lời
2. 9. They have discussed the pollution problems since last month

   -> The pollution problems have been discussed since last month.

   Giải thích :

   Chủ động : S + has / have + V3 / ed + O

   -> Bị động : S + has / have + been + V3 / ed.

   Trả lời