1.from/I/past/eleven/seven/to/quarter/classes/have/a/.
==>I have a classes fronm seven to a quarter past eleven.
2.are/be/must/careful/you/crossing/road/you/when/the/.
==> You must be careful when you are crossing the road .
3.he/is/going/watch/to/a/match/teletivion/on/tonight/football/?
==>Is he going to watch a football match on teletivion tonight ?
4.often/weekends/go/I/at/swimming/and/my/brother/the/.
==> I and my brother often go swimming at the weekends .