Dear teachers,

Would you be kind enough to tell me whether I am right with my interpretation of the expressions in bold in the following sentences?

I have come to tell you that our exam will be postponed till after tomorrow.
I have called to tell you that our exam will be postponed till after tomorrow.

One of the best pupils was told to recite the poem to the rest of the class.
One of the best pupils was called out to recite the poem to the rest of the class.
call out = summon into action or service

I was told to show my passport.
I was called out to show my passport.

Summon the doctor at once!The case is urgent.
Call in the doctor at once! The case is urgent.
call in = summon for help or consultation

Tell them to return.
Call them back.
call back = ask someone to return

Shout in case you lose your way in the thicket.
Call out, in case you lose your way in the thicket.

The situation demands quick action.
The situation calls for quick action.
call for = require, demand

The performance was stopped because of the air-raid.
The performance was called off because of the air-raid.
call off = cancel some plan or undertaking

Thank you for your efforts.

Regards,

V.