1 He came to our village two years ago.=He our village since two years ago.
2 He left home three days ago=He home for 3 days.
3 I bought the watch 2 weeks ago=I the watch since 2 weeks ago.
4 It is 5 days since I borrowed the book=I the book for 5 days.
5 The film has begun= The film for half an hour.
6 I got to know him 10 years ago=I him for 10 years.
7 There is a factory=There a factory for 20 years.
8 Our school opened in 1960=Our school since 1960.