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