Complete the sentences using Unreal conditional (Present or past) 1.I would be late for the lesson, if... 2.I would have come to you, if... 3.I would have given you my text-book,if... 4.I would have helped you if...

1.I would be late for the lesson, if I missed the bus.
2.I would have come to you, if you had invited me.
3.I would have given you my text-book,if you had asked me about it.
4.I would have helped you if I had not been so busy.