1. A)to work (it's a wish)
B)working (it's an action happening)
2. A)to call (action that hasn't happened)
B)calling (action that has happened)
3. A)staying
B)to stay
4. A)to buy (an action that is a result of a habit)
B)buying (an action that stopped a habit)
5. A)to send (an action meant to happen before a stated time)
B)sending