-Completed Sentences with Correct Verb Forms:
1.By the time they came, we had been waiting for hours. → Past perfect continuous to show an action that started before and continued up to a point in the past.
2.By this time next year, I will have graduated from university for 2 months. → Future perfect to show an action completed before a future time.
3.Gwen was given a better job in the company last week. → Passive voice in past simple, because Gwen received the job.
4.That tall building will be visited by many people in the future. → Passive voice in future simple, for an action expected to happen.
5.They had finished the assignment before the deadline from last week. → Past perfect, showing completion before another past point.
6.Will you visit your parents next month? → Future simple question, asking about a planned action.
7.They visited their grandparents last week. → Past simple, for a completed action in the past.
8.While I was walking home, it started to rain. → Past continuous, interrupted by a past simple action.
9.She had been studying for hours before she took a break. → Past perfect continuous, showing duration before another past action.
10.The new rule is implemented every January. → Present simple passive, for a regular or repeated action.