can menstruate
Regular verb: menstruate - menstruated- menstruated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can menstruate
you can menstruate
he can menstruate
we can menstruate
you can menstruate
they can menstruate 	I can be menstruating
you can be menstruating
he can be menstruating
we can be menstruating
you can be menstruating
they can be menstruating	I can have menstruated
you can have menstruated
he can have menstruated
we can have menstruated
you can have menstruated
they can have menstruated	I can have been menstruating
you can have been menstruating
he can have been menstruating
we can have been menstruating
you can have been menstruating
they can have been menstruating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't menstruate
you can't menstruate
he can't menstruate
we can't menstruate
you can't menstruate
they can't menstruate 	I can't be menstruating
you can't be menstruating
he can't be menstruating
we can't be menstruating
you can't be menstruating
they can't be menstruating	I can't have menstruated
you can't have menstruated
he can't have menstruated
we can't have menstruated
you can't have menstruated
they can't have menstruated	I can't have been menstruating
you can't have been menstruating
he can't have been menstruating
we can't have been menstruating
you can't have been menstruating
they can't have been menstruating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I menstruate?
can you menstruate?
can he menstruate?
can we menstruate?
can you menstruate?
can they menstruate? 	can I be menstruating?
can you be menstruating?
can he be menstruating?
can we be menstruating?
can you be menstruating?
can they be menstruating? 	can I have menstruated?
can you have menstruated?
can he have menstruated?
can we have menstruated?
can you have menstruated?
can they have menstruated? 	can I have been menstruating?
can you have been menstruating?
can he have been menstruating?
can we have been menstruating?
can you have been menstruating?
can they have been menstruating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I menstruate?
can't you menstruate?
can't he menstruate?
can't we menstruate?
can't you menstruate?
can't they menstruate? 	can't I be menstruating?
can't you be menstruating?
can't he be menstruating?
can't we be menstruating?
can't you be menstruating?
can't they be menstruating? 	can't I have menstruated?
can't you have menstruated?
can't he have menstruated?
can't we have menstruated?
can't you have menstruated?
can't they have menstruated? 	can't I have been menstruating?
can't you have been menstruating?
can't he have been menstruating?
can't we have been menstruating?
can't you have been menstruating?
can't they have been menstruating?