may stratify
Regular verb: stratify - stratified- stratified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may stratify
you may stratify
he may stratify
we may stratify
you may stratify
they may stratify 	I may be stratifying
you may be stratifying
he may be stratifying
we may be stratifying
you may be stratifying
they may be stratifying	I may have stratified
you may have stratified
he may have stratified
we may have stratified
you may have stratified
they may have stratified	I may have been stratifying
you may have been stratifying
he may have been stratifying
we may have been stratifying
you may have been stratifying
they may have been stratifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not stratify
you may not stratify
he may not stratify
we may not stratify
you may not stratify
they may not stratify 	I may not be stratifying
you may not be stratifying
he may not be stratifying
we may not be stratifying
you may not be stratifying
they may not be stratifying	I may not have stratified
you may not have stratified
he may not have stratified
we may not have stratified
you may not have stratified
they may not have stratified	I may not have been stratifying
you may not have been stratifying
he may not have been stratifying
we may not have been stratifying
you may not have been stratifying
they may not have been stratifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I stratify?
may you stratify?
may he stratify?
may we stratify?
may you stratify?
may they stratify? 	may I be stratifying?
may you be stratifying?
may he be stratifying?
may we be stratifying?
may you be stratifying?
may they be stratifying? 	may I have stratified?
may you have stratified?
may he have stratified?
may we have stratified?
may you have stratified?
may they have stratified? 	may I have been stratifying?
may you have been stratifying?
may he have been stratifying?
may we have been stratifying?
may you have been stratifying?
may they have been stratifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not stratify?
may you not stratify?
may he not stratify?
may we not stratify?
may you not stratify?
may they not stratify? 	may I not be stratifying?
may you not be stratifying?
may he not be stratifying?
may we not be stratifying?
may you not be stratifying?
may they not be stratifying? 	may I not have stratified?
may you not have stratified?
may he not have stratified?
may we not have stratified?
may you not have stratified?
may they not have stratified? 	may I not have been stratifying?
may you not have been stratifying?
may he not have been stratifying?
may we not have been stratifying?
may you not have been stratifying?
may they not have been stratifying?