1. He (takes, took, will take) a rest thrice a week.
2. She (adds, added, will add) to her garden collections of ornamental plants every other day.
3. Father (has worked, had worked, will have worked)
abroad before he merried our mother.
4. Mother (has helped, had helped will have helped)
him save for our education before we began schooling.
5. They (have done, had done, will have done) their best as our parents over years.
6. they (have taught, had taught, will have taught) us to be responsible since we were young.