Future Perfect and Future Perfect Progressive

By the time we get home, we _ for five hours.

• will have been driving

• will have driven

He gets a new car every two years as part of his contract. He ___ quite a few by the time he retires.

• will have driven

• will have been driving

We’re late. By the time we arrive they _ the winners.

• will have already been announcing

• will have already announced

When we arrive they _ for more than three hours.

• will have celebrated

• will have been celebrating

Fred is the most senior employee. By June he _ here for twenty years.

• will have worked

• will have been working

When you get home I _ for five hours straight and I’ll need a break so we can see a film.

• will have studied

• will have been studying

In a month's time my parents _ for 46 years.

• will be married

• will have been married