Make up negative sentences using full negative verb forms and full stops at the end of the sentences:
1. Kelly has been doing a lot of work for charities since 2010.
2. I have been running this website since 1999.
3. He has been waiting for his girlfriend since 6 o'clock.
1. Kelly has not been doing a lot of work for charities since 2010.
2. I have not been running this website since 1999.
3. He has not been waiting for his girlfriend since 6 o'clock.