can fribble
Regular verb: fribble - fribbled- fribbled

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