1.If you have to study a lot, you can come to me on Sunday I will study with you with pleasure.
2.He didn't say anything to them and maybe they are packing their clothes.
3.Last year I lived close to my institute and I didn't have to get up so early as now.
4.I think that you should not pay attention to it. Should you be glooming over triflies?
5 If .you all were to read this book, you whould read it as quickly as possible.