BE SUPPOSED TO

It has three different meanings:

I'm going to buy his book. It's suposed to be very good ( it is said to be very good)
Why hasn't the teacher come to school today? She
is supposed to be ill (She is said to be ill)

The exam was supposed to start at 10.00 sharp but the teacher was late
I'
m supposed to give a conference in Berlin tomorrow but I think I'm going down with flu.

She is not supposed to speak Spanish in an English class.

 

EXERCISES

Exercise 1