ex1:
1/ I think people might live longer in the future.
2/may people retire later in 20 years?
3/families might get smaller
4/I'll definitely retire hem I'm 60
5/the number of students at university will increase
ex2:
we'll definitely get our news only from the internet
Couples might divorce more
humans will probably go back to to the moon
we won't (defnitely) have more leisure time
ex5:
I think it's better
personally I think that
I agreee with you
what I think is that
that a good point
I understand her idea
