could daub
Regular verb: daub - daubed- daubed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?