American Download B1 Unit 4 Grammar 2 "Future Perfect & Future Perfect Continuous"

By the year 2050, scientists _________________________ (discover) a cure for cancer.

• will have discover

• will have discovered

• have will discovered

• discovered will have

My mom ________ for two days by the time I see her.

• has been travelling

• will have been travelling

• will has been travelling

By the time I´m 30, I _________________________ (get) married. (-)

• won´t have gotten

• will have got

• will get

• will not have get

They'll be exhausted by dinner. They will have been _____ hockey for seven hours.

• playing

• played

• play

If you don´t hurry up, the film _______________ (finish) by the time we arrive. (+)

• won´t have finished

• will not finish

• will be finished

• will have finished

Will you ________ here for ten years by the time of the Christmas party?

• have been worked

• have to work

• have been working

I ______________________ (finish) this exercise by the time the football match starts. (-)

• won´t have finished

• will finish

• will haven´t finished

• will have finished

It's a 24-hour relay. They'll only have been ________ for half the time by 6 p.m.

• ran

• run

• running

Jim´s train was due at 6. He ___________________ (arrive) by now. (+)

• will have arrive

• will have arrived

• will not have arrived

• won´t have arrived

The teachers will ________ for a month by the time the deal is made.

• have been striking

• will strike

• will be striking