Grammar practice
9 Complete the sentences from the text using the future perfect continuous form of the verbs in brackets. Then read the text again to check. Why do we use this tense here?
1 By 2020, we (use) mobile
phones for 40 years.
2 How mobile phones
(change) people’s lives
during this time?
3 When the water tanker arrives, people
(not wait) all day at the
village well for it to turn up.
10 Choose the correct alternative.
1 What time does your language lesson start / is your language lesson starting?
2 Good news! My sister is going to have / will have a baby.
3 Peter will invite / is inviting some friends over tonight.
4 He won’t forget / isn’t forgetting her birthday because
I reminded him.
5 It looks cold outside. I’m getting / I’ll get my coat.
6 We’re too late! The train will have left / will have been leaving when we get there.
7 In November, I will be working / will have been working here for three years.
8 This time next week, you will have been lying / will be lying on the beach.
11 Complete the sentences with the future continuous, future perfect simple or future perfect continuous forms of the verbs in brackets.
1 My parents are moving to Boston in January. (move)
By February, my parents
to Boston.
2 My brother will wait for you at the airport. (wait) When you arrive, my brother
for you.
3 I’m afraid they (not arrive)
by dinnertime.
4 They moved here in July four years ago. (live)
By this summer, they for
four years.
5 I won’t finish this book before I go to sleep. (finish)
By the time I go to sleep, I
this book.
6 Next month, he (save)
money for a whole year.
12 Complete the sentences with the correct form of the verbs in the box. Use any suitable future tense.
cook discover finish give meet study
1 We hope that scientists a cure
for this disease in the future.
2 I Chemistry at university. I
love it, and my exam results are always good.
3 ‘Are you still making the dinner? By 8 o’clock, you
for three hours!’
4 She her friends at the
shopping centre at two o’clock this afternoon.
5 Let’s go out at 7 o’clock. I
my homework by then.
6 ‘I’ve missed the school bus.’ ‘Don’t worry. I
you a lift.’
13 Correct the mistakes in the sentences.
1 At two-thirty tomorrow, I will have been taking an exam. It’s from 2 p.m. to 3 p.m.
2 ‘I can’t carry this on my own.’ ‘I’m helping you.’
3 I will meet Tom at six o’clock outside the cinema.
4 It’s late. I think I’m going home.
5 By the time I’m 20, I will be studying English for 12 years.
6 Do you think it will still have been raining at two o’clock?
14 Write sentences using suitable future forms. More than one answer may be possible.
1 the engineer / install / a new operating system / next month
2 how long / you / go out together / by the end of this year?
3 I / call / you / later
4 By 6 p.m. / I / clean / the house / for five hours