1) I am feeling sick. I can't go with you tonight
-> If.......................................................................
2) Lan was busy doing her homework, so she didn't go to the movie last night
-> Because..........................................................
1. If i weren't feeling sick, i could go with you tonight
2. Because lan was busy doing her homework, she didn't go to the movie last night
1)if i am feeling sick , i can't go with you tonight.
2)because she was busy doing her homework,so she didn't go to the movie last night.
I really do they !