คำกริยาช่วย 24 ตัว

กริยาช่วย	รูปปฎิเสธ	คำย่อ
is	is not	isn't
am	am not	-
are	are not	aren't
was	was not	wasn't
were	were not	weren't
do	do not	don't
does	does not	doesn't
did	did not	didn't
has	has not	hasn't
have	have not	haven't
had	had not	hadn't
can	can not	can't
could	could not	couldn't
may	may not	mayn't
might	might not	mightn't
will	will not	won't
would	would not	wouldn't
shall	shall not	shan't
should	should not	shouldn't
must	must not	mustn't
need	need not	needn't
dare	dare not	daren't
ought	ought not	oughtn't
used to	used not to	usedn't to