16. I am happy that she studies well.
-> S + tobe + adj + that + S + V
17. Long missed the first bus since he got up late this morning.
-> since + S + V : bởi vì ( chỉ nguyên nhân )
-> so : vì vậy ( chỉ kết quả )
18. You'd better take a sweater in case it gets cold.
-> had better = should + Vinf
19. I'm pleased that your achievement is good.
-> S + tobe + adj + that + S + V