may percolate
Regular verb: percolate - percolated- percolated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may percolate
you may percolate
she may percolate
we may percolate
you may percolate
they may percolate 	I may be percolating
you may be percolating
she may be percolating
we may be percolating
you may be percolating
they may be percolating	I may have percolated
you may have percolated
she may have percolated
we may have percolated
you may have percolated
they may have percolated	I may have been percolating
you may have been percolating
she may have been percolating
we may have been percolating
you may have been percolating
they may have been percolating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not percolate
you may not percolate
she may not percolate
we may not percolate
you may not percolate
they may not percolate 	I may not be percolating
you may not be percolating
she may not be percolating
we may not be percolating
you may not be percolating
they may not be percolating	I may not have percolated
you may not have percolated
she may not have percolated
we may not have percolated
you may not have percolated
they may not have percolated	I may not have been percolating
you may not have been percolating
she may not have been percolating
we may not have been percolating
you may not have been percolating
they may not have been percolating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I percolate?
may you percolate?
may she percolate?
may we percolate?
may you percolate?
may they percolate? 	may I be percolating?
may you be percolating?
may she be percolating?
may we be percolating?
may you be percolating?
may they be percolating? 	may I have percolated?
may you have percolated?
may she have percolated?
may we have percolated?
may you have percolated?
may they have percolated? 	may I have been percolating?
may you have been percolating?
may she have been percolating?
may we have been percolating?
may you have been percolating?
may they have been percolating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not percolate?
may you not percolate?
may she not percolate?
may we not percolate?
may you not percolate?
may they not percolate? 	may I not be percolating?
may you not be percolating?
may she not be percolating?
may we not be percolating?
may you not be percolating?
may they not be percolating? 	may I not have percolated?
may you not have percolated?
may she not have percolated?
may we not have percolated?
may you not have percolated?
may they not have percolated? 	may I not have been percolating?
may you not have been percolating?
may she not have been percolating?
may we not have been percolating?
may you not have been percolating?
may they not have been percolating?