If you need to work on adjectives with prepositions this presentation can help you. Students are to make sentences based on the pictures. Here are used these adjectives: to be good at, to be bad at, to be brillant at, to be bored of, to be jealous of, to be experienced in, to be interested in, to be relaxed about, to be worried about, to be involved in, to be scared of, to be upset about.