1. " if you don't give me a pay rise, i'll resign" ( threaten)
=> She/He threatened to resign if I didn't give her/him a pay rise.
2 " i'll finish the work by the end of this week"( promise)
=> I promised to finish the work by the end of that week.
3" you ought to take a break, Andrew" ( advise)
=> I advised Andrew to take a break.
4 " don't forget to go to the supermarket after work" ( remind)
=> She/He/... reminded me not to forget to go to the supermarket after work.
5 " why don't we sing a few songs" ( suggest )
=> He/She/... suggested singing a few songs.