English verb conjugation
COULD DIAL

Regular verb: dial - dialled - dialled

Affirmation

Simple form	V-ing form
I could dial you could dial he could dial we could dial you could dial they could dial	I could be dialling you could be dialling he could be dialling we could be dialling you could be dialling they could be dialling
Perfect	V-ing perfect
I could have dialled you could have dialled he 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 he 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
I couldn't dial you couldn't dial he couldn't dial we couldn't dial you couldn't dial they couldn't dial	I couldn't be dialling you couldn't be dialling he couldn't be dialling we couldn't be dialling you couldn't be dialling they couldn't be dialling
Perfect	V-ing perfect
I couldn't have dialled you couldn't have dialled he couldn't have dialled we couldn't have dialled you couldn't have dialled they couldn't have dialled	I couldn't have been dialling you couldn't have been dialling he couldn't have been dialling we couldn't have been dialling you couldn't have been dialling they couldn't have been dialling

Interrogative form

Simple form	V-ing form
could I dial? could you dial? could he dial? could we dial? could you dial? could they dial?	could I be dialling? could you be dialling? could he be dialling? could we be dialling? could you be dialling? could they be dialling?
Perfect	V-ing perfect
could I have dialled? could you have dialled? could he 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 he 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
couldn't I dial? couldn't you dial? couldn't he dial? couldn't we dial? couldn't you dial? couldn't they dial?	couldn't I be dialling? couldn't you be dialling? couldn't he be dialling? couldn't we be dialling? couldn't you be dialling? couldn't they be dialling?
Perfect	V-ing perfect
couldn't I have dialled? couldn't you have dialled? couldn't he have dialled? couldn't we have dialled? couldn't you have dialled? couldn't they have dialled?	couldn't I have been dialling? couldn't you have been dialling? couldn't he have been dialling? couldn't we have been dialling? couldn't you have been dialling? couldn't they have been dialling?