Used to
Here used to means that something no longer happens. Follow the link to discover the other meaning of used to.
more information: used to
given that up
To give something up means to stop doing something.
Example: I want to give up smoking.
For more meanings of the phrasal verb give up, follow the link below to our language library.
more information: give up
who's
For more about the words who's and whose, follow the link.
more information: whose & who's