can perspire
Regular verb: perspire - perspired- perspired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can perspire
you can perspire
she can perspire
we can perspire
you can perspire
they can perspire 	I can be perspiring
you can be perspiring
she can be perspiring
we can be perspiring
you can be perspiring
they can be perspiring	I can have perspired
you can have perspired
she can have perspired
we can have perspired
you can have perspired
they can have perspired	I can have been perspiring
you can have been perspiring
she can have been perspiring
we can have been perspiring
you can have been perspiring
they can have been perspiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot perspire
you cannot perspire
she cannot perspire
we cannot perspire
you cannot perspire
they cannot perspire 	I cannot be perspiring
you cannot be perspiring
she cannot be perspiring
we cannot be perspiring
you cannot be perspiring
they cannot be perspiring	I cannot have perspired
you cannot have perspired
she cannot have perspired
we cannot have perspired
you cannot have perspired
they cannot have perspired	I cannot have been perspiring
you cannot have been perspiring
she cannot have been perspiring
we cannot have been perspiring
you cannot have been perspiring
they cannot have been perspiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I perspire?
can you perspire?
can she perspire?
can we perspire?
can you perspire?
can they perspire? 	can I be perspiring?
can you be perspiring?
can she be perspiring?
can we be perspiring?
can you be perspiring?
can they be perspiring? 	can I have perspired?
can you have perspired?
can she have perspired?
can we have perspired?
can you have perspired?
can they have perspired? 	can I have been perspiring?
can you have been perspiring?
can she have been perspiring?
can we have been perspiring?
can you have been perspiring?
can they have been perspiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not perspire?
can you not perspire?
can she not perspire?
can we not perspire?
can you not perspire?
can they not perspire? 	can I not be perspiring?
can you not be perspiring?
can she not be perspiring?
can we not be perspiring?
can you not be perspiring?
can they not be perspiring? 	can I not have perspired?
can you not have perspired?
can she not have perspired?
can we not have perspired?
can you not have perspired?
can they not have perspired? 	can I not have been perspiring?
can you not have been perspiring?
can she not have been perspiring?
can we not have been perspiring?
can you not have been perspiring?
can they not have been perspiring?