1. I didn’t go to your party, so I couldn’t speak to your brother.
If ____________________________________________________
2. We didn’t have your phone number. We didn’t phone you.
If ______________________________________________________
3. You failed your history exam. You didn’t study much
If ______________________________________________________
4. We didn’t take a map. We got lost in the center of the city.
If ______________________________________________________
5. Your mon was sick. I didn’t visit her
If ______________________________________________________
6. He didn’t have his medicine with him. He got very ill.
If ______________________________________________________
Giúp tui với mọi người ! Mai nộp r ! 
1. I didn’t go to your party, so I couldn’t speak to your brother.
If I went to your party, I could speak to your brother.
2. We didn’t have your phone number. We didn’t phone you.
If we had your phone number, we would phone you.
3. You failed your history exam. You didn’t study much
If studied much, you wouldn't fail your history exam.
4. We didn’t take a map. We got lost in the center of the city
If we took a map, we wouldn't get lost in the center of the city.
5. Your mon was sick. I didn’t visit her (Câu này có sai đề không ạ?)
6. He didn’t have his medicine with him. He got very ill.
If he had his medicine with him, he wouldn't get very ill.
