Time left
If / As soon as / Until I win a lot of money. I'll buy you a Ferrari
O a. If
O b. as soon as
Oc Until

I'm sorry you're leaving. I am glad / I'll be glad when you are back / you will be back.
a you will be back
Ob. Il be glad:you are back
Oc you are back

I'll never forget
him for the first time.
meet
Ob.
to meet
Oc meeting