`1.` The last time I played football was in 1970.
=> I haven't played football since 1970.
`2.` The last time it rained was a fortnight ago.
=> It hasn't rained for four nights.
`3.` The last time Lucy wore that dress was at Barbara’s wedding.
=> Lucy hasn't worn that dress since Barbara's wedding.
`4.` The last time my father was to Vung Tau was 2 years ago.
=> My father hasn't been to Vung Tau for 2 years.
`5.` The last time Betty rode to work was a fortnight ago.
=> Betty hasn't ridden to work for a fortnight.
`6.` He hasn’t played tennis since 1990.
=> The last time he played tennis was in 1990.
`7.` I haven’t met her for 2 months.
=> The last time I met her was 2 months ago.
`8.` Tom began playing the piano 4 years ago.
=> Tom has been playing the piano for 4 years.
`9.` I started cooking for the party 4 hours ago.
=> I have been cooking for the party for 4 hours.
`10.` She started working as a secretary 2 years ago.
=> She has been working as a secretary for 2 years.

1. I haven't played football since 1970.

2. It has a fortnight age since it rained.

3. Lucy has not worn that dress since Barbara's wedding.

4. My father has not been to Vung Tau for 2 years.

5. Betty has not ridden to work for a fortnight.

6. The last time he played tennis was in 1990.

7. The last time I met he 2 month ago.

8.Tom has been playing the piano for 4 years.

9.I have been cooking for the party for 4 hours.

10. She has been working as a secretary for 2 years.