can quill
Regular verb: quill - quilled- quilled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can quill
you can quill
she can quill
we can quill
you can quill
they can quill 	I can be quilling
you can be quilling
she can be quilling
we can be quilling
you can be quilling
they can be quilling	I can have quilled
you can have quilled
she can have quilled
we can have quilled
you can have quilled
they can have quilled	I can have been quilling
you can have been quilling
she can have been quilling
we can have been quilling
you can have been quilling
they can have been quilling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot quill
you cannot quill
she cannot quill
we cannot quill
you cannot quill
they cannot quill 	I cannot be quilling
you cannot be quilling
she cannot be quilling
we cannot be quilling
you cannot be quilling
they cannot be quilling	I cannot have quilled
you cannot have quilled
she cannot have quilled
we cannot have quilled
you cannot have quilled
they cannot have quilled	I cannot have been quilling
you cannot have been quilling
she cannot have been quilling
we cannot have been quilling
you cannot have been quilling
they cannot have been quilling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I quill?
can you quill?
can she quill?
can we quill?
can you quill?
can they quill? 	can I be quilling?
can you be quilling?
can she be quilling?
can we be quilling?
can you be quilling?
can they be quilling? 	can I have quilled?
can you have quilled?
can she have quilled?
can we have quilled?
can you have quilled?
can they have quilled? 	can I have been quilling?
can you have been quilling?
can she have been quilling?
can we have been quilling?
can you have been quilling?
can they have been quilling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not quill?
can you not quill?
can she not quill?
can we not quill?
can you not quill?
can they not quill? 	can I not be quilling?
can you not be quilling?
can she not be quilling?
can we not be quilling?
can you not be quilling?
can they not be quilling? 	can I not have quilled?
can you not have quilled?
can she not have quilled?
can we not have quilled?
can you not have quilled?
can they not have quilled? 	can I not have been quilling?
can you not have been quilling?
can she not have been quilling?
can we not have been quilling?
can you not have been quilling?
can they not have been quilling?