may fribble
Regular verb: fribble - fribbled- fribbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fribble
you may fribble
she may fribble
we may fribble
you may fribble
they may fribble 	I may be fribbling
you may be fribbling
she may be fribbling
we may be fribbling
you may be fribbling
they may be fribbling	I may have fribbled
you may have fribbled
she may have fribbled
we may have fribbled
you may have fribbled
they may have fribbled	I may have been fribbling
you may have been fribbling
she may have been fribbling
we may have been fribbling
you may have been fribbling
they may have been fribbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't fribble
you mayn't fribble
she mayn't fribble
we mayn't fribble
you mayn't fribble
they mayn't fribble 	I mayn't be fribbling
you mayn't be fribbling
she mayn't be fribbling
we mayn't be fribbling
you mayn't be fribbling
they mayn't be fribbling	I mayn't have fribbled
you mayn't have fribbled
she mayn't have fribbled
we mayn't have fribbled
you mayn't have fribbled
they mayn't have fribbled	I mayn't have been fribbling
you mayn't have been fribbling
she mayn't have been fribbling
we mayn't have been fribbling
you mayn't have been fribbling
they mayn't have been fribbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I fribble?
may you fribble?
may she fribble?
may we fribble?
may you fribble?
may they fribble? 	may I be fribbling?
may you be fribbling?
may she be fribbling?
may we be fribbling?
may you be fribbling?
may they be fribbling? 	may I have fribbled?
may you have fribbled?
may she have fribbled?
may we have fribbled?
may you have fribbled?
may they have fribbled? 	may I have been fribbling?
may you have been fribbling?
may she have been fribbling?
may we have been fribbling?
may you have been fribbling?
may they have been fribbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I fribble?
mayn't you fribble?
mayn't she fribble?
mayn't we fribble?
mayn't you fribble?
mayn't they fribble? 	mayn't I be fribbling?
mayn't you be fribbling?
mayn't she be fribbling?
mayn't we be fribbling?
mayn't you be fribbling?
mayn't they be fribbling? 	mayn't I have fribbled?
mayn't you have fribbled?
mayn't she have fribbled?
mayn't we have fribbled?
mayn't you have fribbled?
mayn't they have fribbled? 	mayn't I have been fribbling?
mayn't you have been fribbling?
mayn't she have been fribbling?
mayn't we have been fribbling?
mayn't you have been fribbling?
mayn't they have been fribbling?