English verb conjugation
MUST 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 must harpoon harpoon you must harpoon harpoon she must harpoon harpoon we must harpoon harpoon you must harpoon harpoon they must harpoon harpoon	I must be harpoon harpooning you must be harpoon harpooning she must be harpoon harpooning we must be harpoon harpooning you must be harpoon harpooning they must be harpoon harpooning
Perfect	V-ing perfect
I must have harpoon harpooned you must have harpoon harpooned she must have harpoon harpooned we must have harpoon harpooned you must have harpoon harpooned they must have harpoon harpooned	I must have been harpoon harpooning you must have been harpoon harpooning she must have been harpoon harpooning we must have been harpoon harpooning you must have been harpoon harpooning they must have been harpoon harpooning

Negation

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

Interrogative form

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

Interro-negative form

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