put the verbs into the present perfect form
Nick....already.....a teacher.(to become)
Janet.....never.....a good student.(to be)
.....they.....the work yet.(to do)
We....not....our country house yet.(to build)
....you ever....an interviem.(to give)

1 Nick has already became a teacher.2 Janet has never been a good student.3 Have they done the work yet.4 We have not built our country house yet.5 Have you ever given an interview.