may sibilate
Regular verb: sibilate - sibilated- sibilated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sibilate
you may sibilate
he may sibilate
we may sibilate
you may sibilate
they may sibilate 	I may be sibilating
you may be sibilating
he may be sibilating
we may be sibilating
you may be sibilating
they may be sibilating	I may have sibilated
you may have sibilated
he may have sibilated
we may have sibilated
you may have sibilated
they may have sibilated	I may have been sibilating
you may have been sibilating
he may have been sibilating
we may have been sibilating
you may have been sibilating
they may have been sibilating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not sibilate
you may not sibilate
he may not sibilate
we may not sibilate
you may not sibilate
they may not sibilate 	I may not be sibilating
you may not be sibilating
he may not be sibilating
we may not be sibilating
you may not be sibilating
they may not be sibilating	I may not have sibilated
you may not have sibilated
he may not have sibilated
we may not have sibilated
you may not have sibilated
they may not have sibilated	I may not have been sibilating
you may not have been sibilating
he may not have been sibilating
we may not have been sibilating
you may not have been sibilating
they may not have been sibilating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sibilate?
may you sibilate?
may he sibilate?
may we sibilate?
may you sibilate?
may they sibilate? 	may I be sibilating?
may you be sibilating?
may he be sibilating?
may we be sibilating?
may you be sibilating?
may they be sibilating? 	may I have sibilated?
may you have sibilated?
may he have sibilated?
may we have sibilated?
may you have sibilated?
may they have sibilated? 	may I have been sibilating?
may you have been sibilating?
may he have been sibilating?
may we have been sibilating?
may you have been sibilating?
may they have been sibilating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not sibilate?
may you not sibilate?
may he not sibilate?
may we not sibilate?
may you not sibilate?
may they not sibilate? 	may I not be sibilating?
may you not be sibilating?
may he not be sibilating?
may we not be sibilating?
may you not be sibilating?
may they not be sibilating? 	may I not have sibilated?
may you not have sibilated?
may he not have sibilated?
may we not have sibilated?
may you not have sibilated?
may they not have sibilated? 	may I not have been sibilating?
may you not have been sibilating?
may he not have been sibilating?
may we not have been sibilating?
may you not have been sibilating?
may they not have been sibilating?