English verb conjugation
COULD AQUAPLANE

Regular verb: aquaplane - aquaplaned - aquaplaned

Affirmation

Simple form	V-ing form
I could aquaplane you could aquaplane he could aquaplane we could aquaplane you could aquaplane they could aquaplane	I could be aquaplaning you could be aquaplaning he 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 he 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 he 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 he 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 he 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 he 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 he 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 he aquaplane? could we aquaplane? could you aquaplane? could they aquaplane?	could I be aquaplaning? could you be aquaplaning? could he 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 he 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 he 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 he 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 he 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 he 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 he have been aquaplaning? couldn't we have been aquaplaning? couldn't you have been aquaplaning? couldn't they have been aquaplaning?