1, I was absent from school because I had an important appointment.

−- because: bởi vì (chỉ lý do) ~ that's why: đó là lý do tại sao.. (chỉ lý do)

2, He didn't study or do his homework. In addition, he didn't go to school on the exam day.

−- in addition: ngoài ra, bên cạnh đó (chỉ 2 vế tương đương nhau) 

3, Although we had no money, we still had a good time.

−- Although ++ S ++ V, S ++ V.. (Mặc dù.. nhưng ...)

++ but: nhưng (chỉ 2 vế đối lập nhau)

4, When I get home, I will call you.

−- When + HTĐ, TLĐ.

(++) S + V(s/es)/ V0...

(++) S ++ will ++ V0..

5, Even though Sue was sick yesterday, she still went to school.

−- Bỏ however và chuyển even though lên đầu câu.

++ However: tuy nhiên (chỉ sự tương phải, đối lập nhau)

−- Even though ++ S ++ V, S ++ V.. (Mặc dù.. nhưng ...)