can encumber
Regular verb: encumber - encumbered- encumbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can encumber
you can encumber
he can encumber
we can encumber
you can encumber
they can encumber 	I can be encumbering
you can be encumbering
he can be encumbering
we can be encumbering
you can be encumbering
they can be encumbering	I can have encumbered
you can have encumbered
he can have encumbered
we can have encumbered
you can have encumbered
they can have encumbered	I can have been encumbering
you can have been encumbering
he can have been encumbering
we can have been encumbering
you can have been encumbering
they can have been encumbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't encumber
you can't encumber
he can't encumber
we can't encumber
you can't encumber
they can't encumber 	I can't be encumbering
you can't be encumbering
he can't be encumbering
we can't be encumbering
you can't be encumbering
they can't be encumbering	I can't have encumbered
you can't have encumbered
he can't have encumbered
we can't have encumbered
you can't have encumbered
they can't have encumbered	I can't have been encumbering
you can't have been encumbering
he can't have been encumbering
we can't have been encumbering
you can't have been encumbering
they can't have been encumbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I encumber?
can you encumber?
can he encumber?
can we encumber?
can you encumber?
can they encumber? 	can I be encumbering?
can you be encumbering?
can he be encumbering?
can we be encumbering?
can you be encumbering?
can they be encumbering? 	can I have encumbered?
can you have encumbered?
can he have encumbered?
can we have encumbered?
can you have encumbered?
can they have encumbered? 	can I have been encumbering?
can you have been encumbering?
can he have been encumbering?
can we have been encumbering?
can you have been encumbering?
can they have been encumbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I encumber?
can't you encumber?
can't he encumber?
can't we encumber?
can't you encumber?
can't they encumber? 	can't I be encumbering?
can't you be encumbering?
can't he be encumbering?
can't we be encumbering?
can't you be encumbering?
can't they be encumbering? 	can't I have encumbered?
can't you have encumbered?
can't he have encumbered?
can't we have encumbered?
can't you have encumbered?
can't they have encumbered? 	can't I have been encumbering?
can't you have been encumbering?
can't he have been encumbering?
can't we have been encumbering?
can't you have been encumbering?
can't they have been encumbering?