Collocations for congratulate - verb

heartily, warmly
personally, publicly
The President himself is here to personally congratulate the winner.

have to, must, want to, wish to, would like to
I must congratulate you on your excellent exam results.
I just wanted to congratulate you on your victory.

for
The employees should be congratulated for the part they have played in the success.

on
She congratulated me warmly on my performance.
The organizers are congratulating themselves on attracting record numbers to the event.

sb is to be congratulated
The company is to be congratulated on its success.

to join sb in congratulating sb
Please join me in congratulating Luke on an outstanding season.