English verb conjugation
COULD SWAN-DIVE

Irregular verb: swan-dive - swan-dived, swan-dove - swan-dived

Affirmation

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

Negation

Simple form	V-ing form
I could not swan-dive you could not swan-dive he could not swan-dive we could not swan-dive you could not swan-dive they could not swan-dive	I could not be swan-diving you could not be swan-diving he could not be swan-diving we could not be swan-diving you could not be swan-diving they could not be swan-diving
Perfect	V-ing perfect
I could not have swan-dived you could not have swan-dived he could not have swan-dived we could not have swan-dived you could not have swan-dived they could not have swan-dived	I could not have been swan-diving you could not have been swan-diving he could not have been swan-diving we could not have been swan-diving you could not have been swan-diving they could not have been swan-diving

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not swan-dive? could you not swan-dive? could he not swan-dive? could we not swan-dive? could you not swan-dive? could they not swan-dive?	could I not be swan-diving? could you not be swan-diving? could he not be swan-diving? could we not be swan-diving? could you not be swan-diving? could they not be swan-diving?
Perfect	V-ing perfect
could I not have swan-dived? could you not have swan-dived? could he not have swan-dived? could we not have swan-dived? could you not have swan-dived? could they not have swan-dived?	could I not have been swan-diving? could you not have been swan-diving? could he not have been swan-diving? could we not have been swan-diving? could you not have been swan-diving? could they not have been swan-diving?