We usually use the short form of will (’ll) or will not (won’t) after a pronoun.
They’ll have finished the race by ten thirty.
They won’t have come back by then.
EXERCISE 1
Put the verbs in brackets into the Future Perfect :
1 In two days Kudjo /finish/ reading the book.
2 By Monday Kudjo /learn/ twenty new Cattish words.
3 By the end of the day Kudjo /eat/ a bag of treats.
4 Kudjo /have/ a few nice dreams by the time I wake him up.
5 Kudjo and Luna /be/ friends for two years by June.
6 He /take/ me for a walk by lunchtime.
7 Kudjo /not return/ home by noon.
8 Kudjo /make/ friends with this bull by the end of the summer?
9 They /collect/ and /hide/ all the toys by then.
10 What he /do/ by the time I wake up in the morning?
11 Kudjo /drink/ all the bottled water by night and I’ll have to buy a lot more.
EXERCISE 2
Find the proper verb and put it into the correct Future Perfect form:
Do you know what will have happened by the time Kudjo is twenty? What do you think will have come true? Put T (true) or F (false):
1 He /have/ a great-grandchild, who he’ll love a lot.
2 He /become/ a famous actor and played in eleven films.
3 He /fly/ to the planet of Dragons to meet Dradjo.
4 He /become/ serious and calm.
5 He /stop/ eating so many treats.
6 He /fight/ with hundreds of dogs.
7 He /move/ to the country because of the hustle and bustle of city life.
8 He /invent/ special healthy food for dogs, which will help them live far longer.
9 He /put/ on a lot of weight.
10 His red fur /turn/ grey.
11 He /write/ a hundred books about his adventures.
EXERCISE 3
Put the verbs in brackets into the Future Perfect, Present Perfect or Past Perfect tenses:
1 What a strange sound! you /hear/ anything?
2 When I walked into the room I saw that Kudjo /not tidy/ up yet.
3 By the time I finish my work, he /wake/up.
4 The dogs /become/ close friends in a couple of days, I’m sure.
5 He /learn/ to wait for me patiently by the age of four months.
6 He just /come/ home from a walk and is hot and thirsty.
7 How many audiobooks he /listen/ to before he learnt to read?
8 How long Kudjo /love/ reading?
9 he /read/ this book by the weekend? I’d like to borrow it.
10 He /not start/ eating before I come back.
11 They /turn/ the house upside down by the end of the party.
EXERCISE 4
Put the verbs in brackets into