English verb conjugation
COULD HARPOON HARPOON

Regular verb: harpoon harpoon - harpoon harpooned - harpoon harpooned

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could harpoon harpoon you could harpoon harpoon she could harpoon harpoon we could harpoon harpoon you could harpoon harpoon they could harpoon harpoon	I could be harpoon harpooning you could be harpoon harpooning she could be harpoon harpooning we could be harpoon harpooning you could be harpoon harpooning they could be harpoon harpooning
Perfect	V-ing perfect
I could have harpoon harpooned you could have harpoon harpooned she could have harpoon harpooned we could have harpoon harpooned you could have harpoon harpooned they could have harpoon harpooned	I could have been harpoon harpooning you could have been harpoon harpooning she could have been harpoon harpooning we could have been harpoon harpooning you could have been harpoon harpooning they could have been harpoon harpooning

Negation

Simple form	V-ing form
I couldn't harpoon harpoon you couldn't harpoon harpoon she couldn't harpoon harpoon we couldn't harpoon harpoon you couldn't harpoon harpoon they couldn't harpoon harpoon	I couldn't be harpoon harpooning you couldn't be harpoon harpooning she couldn't be harpoon harpooning we couldn't be harpoon harpooning you couldn't be harpoon harpooning they couldn't be harpoon harpooning
Perfect	V-ing perfect
I couldn't have harpoon harpooned you couldn't have harpoon harpooned she couldn't have harpoon harpooned we couldn't have harpoon harpooned you couldn't have harpoon harpooned they couldn't have harpoon harpooned	I couldn't have been harpoon harpooning you couldn't have been harpoon harpooning she couldn't have been harpoon harpooning we couldn't have been harpoon harpooning you couldn't have been harpoon harpooning they couldn't have been harpoon harpooning

Interrogative form

Simple form	V-ing form
could I harpoon harpoon? could you harpoon harpoon? could she harpoon harpoon? could we harpoon harpoon? could you harpoon harpoon? could they harpoon harpoon?	could I be harpoon harpooning? could you be harpoon harpooning? could she be harpoon harpooning? could we be harpoon harpooning? could you be harpoon harpooning? could they be harpoon harpooning?
Perfect	V-ing perfect
could I have harpoon harpooned? could you have harpoon harpooned? could she have harpoon harpooned? could we have harpoon harpooned? could you have harpoon harpooned? could they have harpoon harpooned?	could I have been harpoon harpooning? could you have been harpoon harpooning? could she have been harpoon harpooning? could we have been harpoon harpooning? could you have been harpoon harpooning? could they have been harpoon harpooning?

Interro-negative form

Simple form	V-ing form
couldn't I harpoon harpoon? couldn't you harpoon harpoon? couldn't she harpoon harpoon? couldn't we harpoon harpoon? couldn't you harpoon harpoon? couldn't they harpoon harpoon?	couldn't I be harpoon harpooning? couldn't you be harpoon harpooning? couldn't she be harpoon harpooning? couldn't we be harpoon harpooning? couldn't you be harpoon harpooning? couldn't they be harpoon harpooning?
Perfect	V-ing perfect
couldn't I have harpoon harpooned? couldn't you have harpoon harpooned? couldn't she have harpoon harpooned? couldn't we have harpoon harpooned? couldn't you have harpoon harpooned? couldn't they have harpoon harpooned?	couldn't I have been harpoon harpooning? couldn't you have been harpoon harpooning? couldn't she have been harpoon harpooning? couldn't we have been harpoon harpooning? couldn't you have been harpoon harpooning? couldn't they have been harpoon harpooning?