may prolongate
Regular verb: prolongate - prolongated- prolongated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may prolongate
you may prolongate
he may prolongate
we may prolongate
you may prolongate
they may prolongate 	I may be prolongating
you may be prolongating
he may be prolongating
we may be prolongating
you may be prolongating
they may be prolongating	I may have prolongated
you may have prolongated
he may have prolongated
we may have prolongated
you may have prolongated
they may have prolongated	I may have been prolongating
you may have been prolongating
he may have been prolongating
we may have been prolongating
you may have been prolongating
they may have been prolongating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't prolongate
you mayn't prolongate
he mayn't prolongate
we mayn't prolongate
you mayn't prolongate
they mayn't prolongate 	I mayn't be prolongating
you mayn't be prolongating
he mayn't be prolongating
we mayn't be prolongating
you mayn't be prolongating
they mayn't be prolongating	I mayn't have prolongated
you mayn't have prolongated
he mayn't have prolongated
we mayn't have prolongated
you mayn't have prolongated
they mayn't have prolongated	I mayn't have been prolongating
you mayn't have been prolongating
he mayn't have been prolongating
we mayn't have been prolongating
you mayn't have been prolongating
they mayn't have been prolongating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I prolongate?
may you prolongate?
may he prolongate?
may we prolongate?
may you prolongate?
may they prolongate? 	may I be prolongating?
may you be prolongating?
may he be prolongating?
may we be prolongating?
may you be prolongating?
may they be prolongating? 	may I have prolongated?
may you have prolongated?
may he have prolongated?
may we have prolongated?
may you have prolongated?
may they have prolongated? 	may I have been prolongating?
may you have been prolongating?
may he have been prolongating?
may we have been prolongating?
may you have been prolongating?
may they have been prolongating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I prolongate?
mayn't you prolongate?
mayn't he prolongate?
mayn't we prolongate?
mayn't you prolongate?
mayn't they prolongate? 	mayn't I be prolongating?
mayn't you be prolongating?
mayn't he be prolongating?
mayn't we be prolongating?
mayn't you be prolongating?
mayn't they be prolongating? 	mayn't I have prolongated?
mayn't you have prolongated?
mayn't he have prolongated?
mayn't we have prolongated?
mayn't you have prolongated?
mayn't they have prolongated? 	mayn't I have been prolongating?
mayn't you have been prolongating?
mayn't he have been prolongating?
mayn't we have been prolongating?
mayn't you have been prolongating?
mayn't they have been prolongating?