1) 1)When you drunk, you are terrible at everything
2)You are terrible at this game
2) 1)I am fond at doing mathematical examples
2)I am fond of making games
3) 1)I am keen at math
2)I am keen at studying Englis
4) 1)I am proud that my son has entered the best university
2)I am proud that my granddad is WW2 veteran