Đề bài là sửa lỗi sai ạ 1. Were she my daughter, I suggested several steps I should consider it profitable to take . 2. If only she doesnt play the violin in the middle of the night, shed be an ideal guest . 3. Ill give you the day off on condition that you work in Saturday morning . 4. Had I realized what you intended I should not have wasted my time to try explaining matters to you . 5. They still say that in case he had gone into the greengrocery business when he left school he would be comfortably off now instead of being poor . 6. We had a lot of trouble putting the tent up. If it had not been so windy it would not have had so difficult .