is='sIam=I'mare='re

isnot=isn't/iznt/arenot=aren't/a:nt/ donot=don't

doesnot=doesn't

was='s

didnot=didn't

cannot=can't

have='ve

has='s

havenot=haven't

hasnot=hasn't

will='ll

willnot=won't

shallnot=shan't