may fribble
Regular verb: fribble - fribbled- fribbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may fribble
you may fribble
he may fribble
we may fribble
you may fribble
they may fribble 	I may be fribbling
you may be fribbling
he may be fribbling
we may be fribbling
you may be fribbling
they may be fribbling	I may have fribbled
you may have fribbled
he 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
he 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
he 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
he 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
he 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
he 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 he fribble?
may we fribble?
may you fribble?
may they fribble? 	may I be fribbling?
may you be fribbling?
may he be fribbling?
may we be fribbling?
may you be fribbling?
may they be fribbling? 	may I have fribbled?
may you have fribbled?
may he 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 he 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 he 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 he 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 he 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 he have been fribbling?
mayn't we have been fribbling?
mayn't you have been fribbling?
mayn't they have been fribbling?