1.i don't think he will be allowed to sit exams, if he dye his hair Violet.
2. we won't take part in the carnival unless we find unusual costumes.
3. if the train arrives in time, we will be able to see the parade from the every beginning.
4. she will never get a good job, unless she works harder.
5. if we have enough money, we will go to the seaside in summer.
6. he is such a strange lesson. ten years ago he used to have short hair and wear suits, but now he wears torn jeans.
7. Kate used to like straight edge groups, but she isn't very interesting in them anymore.
8. may be Tom left our school for technical college.
9. he may be didn't move to another place.
1o. it is might be that Mary didn't pass her exams in June. (might be Mary didn't pass her exams in June)