1 She HAS FAILED six exams.
2 I've lived here SINCE 2012.
3 We WERE to that city in 2008.
4 I HAVE BEEN DOING this assignment for two weeks, but I haven't finished yet.
5 My friend HAS HAD an accident.
6 That artist HAS PAINTED more than a hundred paintings.
7 They've been revising for that exam FOR five hours.
8 Oh no! My keys and my wallet! I lost them.
9 I HAVEN'T DONE this exercise yet.
10 I HAVE BEEN WAITING here for a bus for 20 minutes.