I. Prediction will

2. Supply the correct form of the verbs
NB. Normally the perfect forms are not used with state verbs:

e.g. By the end of the meal they were friends.

In this example the state we are speaking about does not come to an end at the given moment.
A. (Future Simple vs. Future Perfect).

1. 
   By the time I’m 70, I (not to work) I (to retire).
   
2. 
   By next summer I expect I (to be fully qualified), I (to pass) all exams.
   
3. 
   I suppose in another few weeks the ice (not to be) there, it (to melt).
   
4. 
   You say, you love me, but a year from now I expect you (not to know) my name, you (to forget) it.
   
5. 
   We can’t phone him at 11. He (to be) in bed. – I don’t think so. I’m certain he (not to go) to bed.
   
6. 
   Our house ( to be ready) by next Thursday. The builder (to finish) it.
   
7. 
   By the end of the week I (not to have) any money left. I (to spend) it.
   
8. 
   When I see her again, I’m sure she (to be) very different. She (to change).
   
9. 
   In a couple of years her life (to be) very different. She (to get married, to settle down).
   
10. 
    They expect us at 7. By that time I (to be through) with the work, I (to type) the last letter by then.
    
11. 
    By the year 2050, many cities (to double) in size.
    
12. 
    By the 22^nd century, world population (to grow) to about 6 billion.
    
13. 
    By that time we (to use up) many of the world’s natural resources.
    
14. 
    Hopefully, we (to find) alternative sources of energy by then.
    
15. 
    By 2050, robots (to replace) people for many boring jobs.