It stared to rain at 2 o'clock

1.                 It stared to rain at 2 o'clock.

ð    It has ____________________________________________________________

2.                 I have never been to the ballet before.

ð    It is ______________________________________________________________

3.                 John and Mary moved to Edinburgh twenty years ago.

ð    It is ______________________________________________________________

4.                 The police started looking for him two months ago.

ð    For two months now the ______________________________________________