Sentence examples similar to this trend is supposed from inspiring English sources

The trend is supposed to be upward (increasing) with positive values of B and vice versa.

It is reasonable to suppose that this trend is going to continue into the future, splitting the country between a Labour north and a Tory/Lib Dem-supporting south.

This too is supposed to be brief.

This one is supposed to be bigger.

"This is supposed to be our network".

This is supposed to be very modern.

This is supposed to be the….

This is supposed to be reassuring how?

You see, this is supposed to offend".

"This is supposed to be professional".

And this is supposed to be progress?