1-I don’t have a car, so I can’t drive you to the airport.
→ If i had a car , i could drive to the airport
2-Nam is too young, so he can’t take part in the project.
→ If Nam wasn't too young , he could take part in the project
3-He doesn’t any exercise; that’s why he is so unhealthy.
→ If he was exercise , he wouldn't be unhealthy
4-He doesn’t help me, possibly because I never ask him for help.
→ He would help me if i asked him for help
5-I don’t know his address, so I can’t write to him.
→ If i knew his address , i could write to him
6-You work too fast; That’s why you make so many mistakes.
→ If you didn't work too fast , you wouldn't make so many mistakes
7-I don’t have a map, so I can’t direct you.
→ If i had a map , i could direct you

chúc bạn học tốt !

1)I don't have a car , so I can't drive you to the airport.
=> ..If I had a car, I could drive you to the airport.

2-Nam is too young, so he can’t take part in the project.
=>Nam is too young,so he can't take part in the project to be trained to become an astronaut.

3-He doesn’t any exercise; that’s why he is so unhealthy.

=>If he takes exercises,he won't be unhealthy.

4.he doesn't help me , possibly because I never ask him for help
=>...If I asked him for help, he would help me
5.I don't know his address,số I can't write to him.
=>...If I knew his address, I could write to him

6-You work too fast; That’s why you make so many mistakes.

=>