1.you're not supposed to the middle of.. 3.what do you reckeon? kind of 5. have a look.. 6. no wonder

1 You are not supposed to yan during the lesson.
2 don't call me at the middle of the night
3 i reck on dirty shoes
4 its the kind of thing you have to worry about
5 what a nice painting ! Have a look!
6 no wonder he didn't pass his exams . He didnt study at all