Be supposed to
I am going to～
そもそもbe supposed toはsupposeという言葉だけで使えるのかな。
to think or believe that something is true or possible
(based on the knowledge that you have)
Getting a visa is not as simple as you might suppose.
Prices will go up, I suppose.
This combination of qualities is generally supposed to be extremely rare.
She had supposed him very much.
I had supposed his wife a younger woman.
I do not suppose for a minute that he will agree.
Why do you suppose he resigned?
There is no reason to suppose she is lying.
I suppose you think that is funny, do you?
to pretend something is true; to imagine what would happen if something were true
Suppose flights are fully booked on that day-which other day could we go?
Let us suppose, for example, that you are married with two children.
The theory supposes the existence of life on other planets.
Suppose him dead- what then?
Used to make a statement, request or suggestion less direct or less strong
I could take you in the car, I suppose so.
I do not suppose I could have a look at your newspaper, could I?
Suppose we take a later train?
Be supposed to do / be something
To be expected or required to do / to be something according to a rule, a custom, an arrangement, etc.
You are supposed to buy a ticket, but not many people do.
I thought we were supposed to be paid today.
You were supposed to be here an hour ago.
How was I supposed to know you were watching for me?
What is that supposed to mean?
To be generally believed or expected to be/ do something
I have not seen it myself, but it is supposed to be a great movie.
Not be supposed to do something
To not be allowed to do something
You are not supposed to walk on the grass.