could dial
Regular verb: dial - dialled- dialled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dial
you could dial
she could dial
we could dial
you could dial
they could dial 	I could be dialling
you could be dialling
she could be dialling
we could be dialling
you could be dialling
they could be dialling	I could have dialled
you could have dialled
she could have dialled
we could have dialled
you could have dialled
they could have dialled	I could have been dialling
you could have been dialling
she could have been dialling
we could have been dialling
you could have been dialling
they could have been dialling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not dial
you could not dial
she could not dial
we could not dial
you could not dial
they could not dial 	I could not be dialling
you could not be dialling
she could not be dialling
we could not be dialling
you could not be dialling
they could not be dialling	I could not have dialled
you could not have dialled
she could not have dialled
we could not have dialled
you could not have dialled
they could not have dialled	I could not have been dialling
you could not have been dialling
she could not have been dialling
we could not have been dialling
you could not have been dialling
they could not have been dialling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dial?
could you dial?
could she dial?
could we dial?
could you dial?
could they dial? 	could I be dialling?
could you be dialling?
could she be dialling?
could we be dialling?
could you be dialling?
could they be dialling? 	could I have dialled?
could you have dialled?
could she have dialled?
could we have dialled?
could you have dialled?
could they have dialled? 	could I have been dialling?
could you have been dialling?
could she have been dialling?
could we have been dialling?
could you have been dialling?
could they have been dialling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not dial?
could you not dial?
could she not dial?
could we not dial?
could you not dial?
could they not dial? 	could I not be dialling?
could you not be dialling?
could she not be dialling?
could we not be dialling?
could you not be dialling?
could they not be dialling? 	could I not have dialled?
could you not have dialled?
could she not have dialled?
could we not have dialled?
could you not have dialled?
could they not have dialled? 	could I not have been dialling?
could you not have been dialling?
could she not have been dialling?
could we not have been dialling?
could you not have been dialling?
could they not have been dialling?