46. If Lisa hadn't always been mean with money, she would have many friends
- If S V(QKHT), S would V
47. I cannot speak Spanish as well as Alain
- S1 V as adv as S2
48. Despite knowing the area very well, I got lost
- despite Ving
49. The students felt terrifically excited about the trip
- feel excited about sth
50. You don't need to finish all your homework tonight
- need to V