could dabble
Regular verb: dabble - dabbled- dabbled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dabble
you could dabble
she could dabble
we could dabble
you could dabble
they could dabble 	I could be dabbling
you could be dabbling
she could be dabbling
we could be dabbling
you could be dabbling
they could be dabbling	I could have dabbled
you could have dabbled
she could have dabbled
we could have dabbled
you could have dabbled
they could have dabbled	I could have been dabbling
you could have been dabbling
she could have been dabbling
we could have been dabbling
you could have been dabbling
they could have been dabbling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not dabble
you could not dabble
she could not dabble
we could not dabble
you could not dabble
they could not dabble 	I could not be dabbling
you could not be dabbling
she could not be dabbling
we could not be dabbling
you could not be dabbling
they could not be dabbling	I could not have dabbled
you could not have dabbled
she could not have dabbled
we could not have dabbled
you could not have dabbled
they could not have dabbled	I could not have been dabbling
you could not have been dabbling
she could not have been dabbling
we could not have been dabbling
you could not have been dabbling
they could not have been dabbling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dabble?
could you dabble?
could she dabble?
could we dabble?
could you dabble?
could they dabble? 	could I be dabbling?
could you be dabbling?
could she be dabbling?
could we be dabbling?
could you be dabbling?
could they be dabbling? 	could I have dabbled?
could you have dabbled?
could she have dabbled?
could we have dabbled?
could you have dabbled?
could they have dabbled? 	could I have been dabbling?
could you have been dabbling?
could she have been dabbling?
could we have been dabbling?
could you have been dabbling?
could they have been dabbling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not dabble?
could you not dabble?
could she not dabble?
could we not dabble?
could you not dabble?
could they not dabble? 	could I not be dabbling?
could you not be dabbling?
could she not be dabbling?
could we not be dabbling?
could you not be dabbling?
could they not be dabbling? 	could I not have dabbled?
could you not have dabbled?
could she not have dabbled?
could we not have dabbled?
could you not have dabbled?
could they not have dabbled? 	could I not have been dabbling?
could you not have been dabbling?
could she not have been dabbling?
could we not have been dabbling?
could you not have been dabbling?
could they not have been dabbling?