Optimise B1, Unit 12 - Grammar 1 (Future Perfect)

By the end of the day, the volunteers _______ collected the rubbish from three beaches.

• have

• will have

• might

________ finished your homework by 8.45? If you have, we can watch the football.

• Did you

• Have you

• Will you have

I still ________ have posted my blog by tonight. I've been very busy.

• don't

• might not

• didn't

By the end of this year, I ________ have walked my dog more than a hundred times!

• did

• will

• can

5 By the time I am 25, I hope I ________ a job in a good company.

• will have found

• find

• am finding

Liz _________ arrived home by now. Let's call her.

• should have

• will has

• has will

Roger will ________ over 200 plastic bottle tops by the time the competition ends.

• collect

• have collected

• have been collected

I think by 2025 scientists ________ a robot that can think like a human.

• will have invented

• invented

• have invented

The painters should ________ painting my room by the weekend.

• are finished

• finished

• have finished

How many countries _________ have visited by the time you are fifty?

• you will

• will you

• should