can puke
Regular verb: puke - puked- puked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can puke
you can puke
she can puke
we can puke
you can puke
they can puke 	I can be puking
you can be puking
she can be puking
we can be puking
you can be puking
they can be puking	I can have puked
you can have puked
she can have puked
we can have puked
you can have puked
they can have puked	I can have been puking
you can have been puking
she can have been puking
we can have been puking
you can have been puking
they can have been puking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot puke
you cannot puke
she cannot puke
we cannot puke
you cannot puke
they cannot puke 	I cannot be puking
you cannot be puking
she cannot be puking
we cannot be puking
you cannot be puking
they cannot be puking	I cannot have puked
you cannot have puked
she cannot have puked
we cannot have puked
you cannot have puked
they cannot have puked	I cannot have been puking
you cannot have been puking
she cannot have been puking
we cannot have been puking
you cannot have been puking
they cannot have been puking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I puke?
can you puke?
can she puke?
can we puke?
can you puke?
can they puke? 	can I be puking?
can you be puking?
can she be puking?
can we be puking?
can you be puking?
can they be puking? 	can I have puked?
can you have puked?
can she have puked?
can we have puked?
can you have puked?
can they have puked? 	can I have been puking?
can you have been puking?
can she have been puking?
can we have been puking?
can you have been puking?
can they have been puking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not puke?
can you not puke?
can she not puke?
can we not puke?
can you not puke?
can they not puke? 	can I not be puking?
can you not be puking?
can she not be puking?
can we not be puking?
can you not be puking?
can they not be puking? 	can I not have puked?
can you not have puked?
can she not have puked?
can we not have puked?
can you not have puked?
can they not have puked? 	can I not have been puking?
can you not have been puking?
can she not have been puking?
can we not have been puking?
can you not have been puking?
can they not have been puking?