English verb conjugation
COULD DAUB

Regular verb: daub - daubed - daubed

Affirmation

Simple form	V-ing form
I could daub you could daub he could daub we could daub you could daub they could daub	I could be daubing you could be daubing he could be daubing we could be daubing you could be daubing they could be daubing
Perfect	V-ing perfect
I could have daubed you could have daubed he could have daubed we could have daubed you could have daubed they could have daubed	I could have been daubing you could have been daubing he could have been daubing we could have been daubing you could have been daubing they could have been daubing

Negation

Simple form	V-ing form
I could not daub you could not daub he could not daub we could not daub you could not daub they could not daub	I could not be daubing you could not be daubing he could not be daubing we could not be daubing you could not be daubing they could not be daubing
Perfect	V-ing perfect
I could not have daubed you could not have daubed he could not have daubed we could not have daubed you could not have daubed they could not have daubed	I could not have been daubing you could not have been daubing he could not have been daubing we could not have been daubing you could not have been daubing they could not have been daubing

Interrogative form

Simple form	V-ing form
could I daub? could you daub? could he daub? could we daub? could you daub? could they daub?	could I be daubing? could you be daubing? could he be daubing? could we be daubing? could you be daubing? could they be daubing?
Perfect	V-ing perfect
could I have daubed? could you have daubed? could he have daubed? could we have daubed? could you have daubed? could they have daubed?	could I have been daubing? could you have been daubing? could he have been daubing? could we have been daubing? could you have been daubing? could they have been daubing?

Interro-negative form

Simple form	V-ing form
could I not daub? could you not daub? could he not daub? could we not daub? could you not daub? could they not daub?	could I not be daubing? could you not be daubing? could he not be daubing? could we not be daubing? could you not be daubing? could they not be daubing?
Perfect	V-ing perfect
could I not have daubed? could you not have daubed? could he not have daubed? could we not have daubed? could you not have daubed? could they not have daubed?	could I not have been daubing? could you not have been daubing? could he not have been daubing? could we not have been daubing? could you not have been daubing? could they not have been daubing?