English verb conjugation
COULD AQUAPLANE

Regular verb: aquaplane - aquaplaned - aquaplaned

Affirmation

Simple form	V-ing form
I could aquaplane you could aquaplane she could aquaplane we could aquaplane you could aquaplane they could aquaplane	I could be aquaplaning you could be aquaplaning she could be aquaplaning we could be aquaplaning you could be aquaplaning they could be aquaplaning
Perfect	V-ing perfect
I could have aquaplaned you could have aquaplaned she could have aquaplaned we could have aquaplaned you could have aquaplaned they could have aquaplaned	I could have been aquaplaning you could have been aquaplaning she could have been aquaplaning we could have been aquaplaning you could have been aquaplaning they could have been aquaplaning

Negation

Simple form	V-ing form
I couldn't aquaplane you couldn't aquaplane she couldn't aquaplane we couldn't aquaplane you couldn't aquaplane they couldn't aquaplane	I couldn't be aquaplaning you couldn't be aquaplaning she couldn't be aquaplaning we couldn't be aquaplaning you couldn't be aquaplaning they couldn't be aquaplaning
Perfect	V-ing perfect
I couldn't have aquaplaned you couldn't have aquaplaned she couldn't have aquaplaned we couldn't have aquaplaned you couldn't have aquaplaned they couldn't have aquaplaned	I couldn't have been aquaplaning you couldn't have been aquaplaning she couldn't have been aquaplaning we couldn't have been aquaplaning you couldn't have been aquaplaning they couldn't have been aquaplaning

Interrogative form

Simple form	V-ing form
could I aquaplane? could you aquaplane? could she aquaplane? could we aquaplane? could you aquaplane? could they aquaplane?	could I be aquaplaning? could you be aquaplaning? could she be aquaplaning? could we be aquaplaning? could you be aquaplaning? could they be aquaplaning?
Perfect	V-ing perfect
could I have aquaplaned? could you have aquaplaned? could she have aquaplaned? could we have aquaplaned? could you have aquaplaned? could they have aquaplaned?	could I have been aquaplaning? could you have been aquaplaning? could she have been aquaplaning? could we have been aquaplaning? could you have been aquaplaning? could they have been aquaplaning?

Interro-negative form

Simple form	V-ing form
couldn't I aquaplane? couldn't you aquaplane? couldn't she aquaplane? couldn't we aquaplane? couldn't you aquaplane? couldn't they aquaplane?	couldn't I be aquaplaning? couldn't you be aquaplaning? couldn't she be aquaplaning? couldn't we be aquaplaning? couldn't you be aquaplaning? couldn't they be aquaplaning?
Perfect	V-ing perfect
couldn't I have aquaplaned? couldn't you have aquaplaned? couldn't she have aquaplaned? couldn't we have aquaplaned? couldn't you have aquaplaned? couldn't they have aquaplaned?	couldn't I have been aquaplaning? couldn't you have been aquaplaning? couldn't she have been aquaplaning? couldn't we have been aquaplaning? couldn't you have been aquaplaning? couldn't they have been aquaplaning?