can fribble
Regular verb: fribble - fribbled- fribbled

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

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

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

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