can outfumble
Regular verb: outfumble - outfumbled- outfumbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can outfumble
you can outfumble
she can outfumble
we can outfumble
you can outfumble
they can outfumble 	I can be outfumbling
you can be outfumbling
she can be outfumbling
we can be outfumbling
you can be outfumbling
they can be outfumbling	I can have outfumbled
you can have outfumbled
she can have outfumbled
we can have outfumbled
you can have outfumbled
they can have outfumbled	I can have been outfumbling
you can have been outfumbling
she can have been outfumbling
we can have been outfumbling
you can have been outfumbling
they can have been outfumbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't outfumble
you can't outfumble
she can't outfumble
we can't outfumble
you can't outfumble
they can't outfumble 	I can't be outfumbling
you can't be outfumbling
she can't be outfumbling
we can't be outfumbling
you can't be outfumbling
they can't be outfumbling	I can't have outfumbled
you can't have outfumbled
she can't have outfumbled
we can't have outfumbled
you can't have outfumbled
they can't have outfumbled	I can't have been outfumbling
you can't have been outfumbling
she can't have been outfumbling
we can't have been outfumbling
you can't have been outfumbling
they can't have been outfumbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I outfumble?
can you outfumble?
can she outfumble?
can we outfumble?
can you outfumble?
can they outfumble? 	can I be outfumbling?
can you be outfumbling?
can she be outfumbling?
can we be outfumbling?
can you be outfumbling?
can they be outfumbling? 	can I have outfumbled?
can you have outfumbled?
can she have outfumbled?
can we have outfumbled?
can you have outfumbled?
can they have outfumbled? 	can I have been outfumbling?
can you have been outfumbling?
can she have been outfumbling?
can we have been outfumbling?
can you have been outfumbling?
can they have been outfumbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I outfumble?
can't you outfumble?
can't she outfumble?
can't we outfumble?
can't you outfumble?
can't they outfumble? 	can't I be outfumbling?
can't you be outfumbling?
can't she be outfumbling?
can't we be outfumbling?
can't you be outfumbling?
can't they be outfumbling? 	can't I have outfumbled?
can't you have outfumbled?
can't she have outfumbled?
can't we have outfumbled?
can't you have outfumbled?
can't they have outfumbled? 	can't I have been outfumbling?
can't you have been outfumbling?
can't she have been outfumbling?
can't we have been outfumbling?
can't you have been outfumbling?
can't they have been outfumbling?