Use present perfect or past simple 1. i can't go out because i (not finish) my work yet. 2.the )yesterday )rehearsals carly this morning. 3. ) here before? 4. i (not,see) him for thre years. fill the blanks with if,even if, unless; 1. ann doesn't like discos and wont come you invite her. 2. i'll boring helen comes. 3. it'll be great i get the high mark for my test!