----- Nội dung dịch tự động từ ảnh ----- Chuyển sang câu bị động.( Thi HTHT) 1. Tom has seen this film before. 2. Nina has read the newspaper already. 3. They have seen these movies yet. 4. I have signed the contract. 5. These men have bought the tickets. 6. I have bought this teddy bear in that shop. 7. Vicky has found her hat. 8. I have lost my bag. 9. We have finished the report. 10. I have done my exercise for three days.