English verb conjugation
COULD DIVE

Irregular verb: dive - dove, dived - dived

Affirmation

Simple form	V-ing form
I could dive you could dive he could dive we could dive you could dive they could dive	I could be diving you could be diving he could be diving we could be diving you could be diving they could be diving
Perfect	V-ing perfect
I could have dived you could have dived he could have dived we could have dived you could have dived they could have dived	I could have been diving you could have been diving he could have been diving we could have been diving you could have been diving they could have been diving

Negation

Simple form	V-ing form
I couldn't dive you couldn't dive he couldn't dive we couldn't dive you couldn't dive they couldn't dive	I couldn't be diving you couldn't be diving he couldn't be diving we couldn't be diving you couldn't be diving they couldn't be diving
Perfect	V-ing perfect
I couldn't have dived you couldn't have dived he couldn't have dived we couldn't have dived you couldn't have dived they couldn't have dived	I couldn't have been diving you couldn't have been diving he couldn't have been diving we couldn't have been diving you couldn't have been diving they couldn't have been diving

Interrogative form

Simple form	V-ing form
could I dive? could you dive? could he dive? could we dive? could you dive? could they dive?	could I be diving? could you be diving? could he be diving? could we be diving? could you be diving? could they be diving?
Perfect	V-ing perfect
could I have dived? could you have dived? could he have dived? could we have dived? could you have dived? could they have dived?	could I have been diving? could you have been diving? could he have been diving? could we have been diving? could you have been diving? could they have been diving?

Interro-negative form

Simple form	V-ing form
couldn't I dive? couldn't you dive? couldn't he dive? couldn't we dive? couldn't you dive? couldn't they dive?	couldn't I be diving? couldn't you be diving? couldn't he be diving? couldn't we be diving? couldn't you be diving? couldn't they be diving?
Perfect	V-ing perfect
couldn't I have dived? couldn't you have dived? couldn't he have dived? couldn't we have dived? couldn't you have dived? couldn't they have dived?	couldn't I have been diving? couldn't you have been diving? couldn't he have been diving? couldn't we have been diving? couldn't you have been diving? couldn't they have been diving?