1. I didn't know that you were in hospital, so I didn't visit you
-> If i had known that you were in hospital, i would have visited you
2. Hurry up or you will be late
-> If you don't hurry up, you will be late
3. She is very busy, so she can't help me now
-> If she weren't very busy, she could help me now( weren't ứng với cả he, she , it trong trường hợp này bạn nhé !, dĩ nhiên dùng wasn't không sai nhưng wasn't mới được đưa vào chương trình nên có nhiều đề thi, trong đáp án chấm thi không có nên các cô dễ tích sai, nên mình vẫn khuyến khích dùng weren't)
4. He didn't phone me because he didn't know my phone number
-> If he had known my phone number, he would have call me ( trong trường hợp này bạn luôn luôn phải dùng have, nếu dùng has là sai á)
5. You're unfit because you don't take exercise
-> If you took exercise, you would be fit (không bao giờ quên be nha!)
6. Unless you are careful, you will cut yourself with that knife
-> If you aren't careful, you will cut yourself with that knife
7. If i have time, I'll help you
-> Unless i have time, i won't help you (mệnh đề chứa unless luôn luôn phải để ở dạng khẳng định nhé!)
8. He didn't study his lessons very carefully, so he gets bad marks now
-> If he had studied his lesson carefully, he would't have gotten bad marks ( vế chuyển câu ở dạng này luôn phải chuẩn khẳng định thành phủ định hoặc ngược lại nhé ! nếu không nó sẽ gần như vô nghĩa ) ( à mà nhân tiện, bỏ now đi , ko bị tích sai đou)
Chúc bạn học tốt! K7 giúp đỡ nhau nha
#Xin_TLHN_Minh_mat_nhieu_cong_lam_do ;-;
