15. After seeing the film for himself, my father has stopped criticising it.
⇒ Since seeing the film for himself, my father has no longer criticised it
16. John hasn’t done any revision since spring term.
⇒ The last time John did a revision was spring term.
II
Exercise 2:
1
She still haven't decided what career to follow
2.
It's two years since they haven't talked to each other
3.
It is the the most ridiculous lie she has ever heard
4.
How long ago did you find school?
5.
She has been writing novels four years
6.
It’s the first time they go to a Chinese restaurant