Exercise complete using 'to be supposed to' look! it’s snowing again! and it (be) spring! but you (not / press) that button. try the other one. but this letter says we (be) there by two. you can’t wear that tonight! you (dress) formally for these occasions. yes, i think we (stand up) when the teacher walks into the room. you (not / use) a dictionary. it’s here in the rules. don’t tell anyone i told you. we (not / know). he says we can look at the pictures but we (not / touch) them.
is supposed to be
aren't supposed to press
are supposed to be
are supposed to dress
are supposed to stand up
aren't supposed to use
aren't supposed to know
aren't supposed to touch