can quit
Irregular verb: quit - quit- quit

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can quit
you can quit
she can quit
we can quit
you can quit
they can quit 	I can be quitting
you can be quitting
she can be quitting
we can be quitting
you can be quitting
they can be quitting	I can have quit
you can have quit
she can have quit
we can have quit
you can have quit
they can have quit	I can have been quitting
you can have been quitting
she can have been quitting
we can have been quitting
you can have been quitting
they can have been quitting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't quit
you can't quit
she can't quit
we can't quit
you can't quit
they can't quit 	I can't be quitting
you can't be quitting
she can't be quitting
we can't be quitting
you can't be quitting
they can't be quitting	I can't have quit
you can't have quit
she can't have quit
we can't have quit
you can't have quit
they can't have quit	I can't have been quitting
you can't have been quitting
she can't have been quitting
we can't have been quitting
you can't have been quitting
they can't have been quitting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I quit?
can you quit?
can she quit?
can we quit?
can you quit?
can they quit? 	can I be quitting?
can you be quitting?
can she be quitting?
can we be quitting?
can you be quitting?
can they be quitting? 	can I have quit?
can you have quit?
can she have quit?
can we have quit?
can you have quit?
can they have quit? 	can I have been quitting?
can you have been quitting?
can she have been quitting?
can we have been quitting?
can you have been quitting?
can they have been quitting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I quit?
can't you quit?
can't she quit?
can't we quit?
can't you quit?
can't they quit? 	can't I be quitting?
can't you be quitting?
can't she be quitting?
can't we be quitting?
can't you be quitting?
can't they be quitting? 	can't I have quit?
can't you have quit?
can't she have quit?
can't we have quit?
can't you have quit?
can't they have quit? 	can't I have been quitting?
can't you have been quitting?
can't she have been quitting?
can't we have been quitting?
can't you have been quitting?
can't they have been quitting?