ASK FOR – to request to see or speak to someone.
Bob asked for you while you were at work.
ASK AFTER SOMEBODY – ask about someone’s health.
Milly asked after your dad.
ASK AROUND – to ask different people in order to get information.
They asked around and eventually someone showed them the way.
ASK SOMEBODY IN – to invite somebody inside.
Sheila asked David in for a coffee.
ASK SOMEBODY OUT – invite somebody on a date.
I’d like to ask Jane out. What do you think?
ASK ABOUT – ask how somebody is doing.
Biology teacher asked about you the other day.