1. It must be seen to be believed
-> S must be VPII by O.
2. The furniture was too expensive for me to buy
-> S tobe too adj for sb to Vnt
3. We’re going to have the car repaired by the garage next week
-> have sth VPII by O
4. It is impossible for a child to stay too far from home
-> It is impossible for sb to Vnt = S can’t Vnt
5. Your situation is the same as many others’.
-> S1 tobe the same as S2.