English verb conjugation
MUST NIX

Regular verb: nix - nixed - nixed

Affirmation

Simple form	V-ing form
I must nix you must nix she must nix we must nix you must nix they must nix	I must be nixing you must be nixing she must be nixing we must be nixing you must be nixing they must be nixing
Perfect	V-ing perfect
I must have nixed you must have nixed she must have nixed we must have nixed you must have nixed they must have nixed	I must have been nixing you must have been nixing she must have been nixing we must have been nixing you must have been nixing they must have been nixing

Negation

Simple form	V-ing form
I mustn't nix you mustn't nix she mustn't nix we mustn't nix you mustn't nix they mustn't nix	I mustn't be nixing you mustn't be nixing she mustn't be nixing we mustn't be nixing you mustn't be nixing they mustn't be nixing
Perfect	V-ing perfect
I mustn't have nixed you mustn't have nixed she mustn't have nixed we mustn't have nixed you mustn't have nixed they mustn't have nixed	I mustn't have been nixing you mustn't have been nixing she mustn't have been nixing we mustn't have been nixing you mustn't have been nixing they mustn't have been nixing

Interrogative form

Simple form	V-ing form
must I nix? must you nix? must she nix? must we nix? must you nix? must they nix?	must I be nixing? must you be nixing? must she be nixing? must we be nixing? must you be nixing? must they be nixing?
Perfect	V-ing perfect
must I have nixed? must you have nixed? must she have nixed? must we have nixed? must you have nixed? must they have nixed?	must I have been nixing? must you have been nixing? must she have been nixing? must we have been nixing? must you have been nixing? must they have been nixing?

Interro-negative form

Simple form	V-ing form
mustn't I nix? mustn't you nix? mustn't she nix? mustn't we nix? mustn't you nix? mustn't they nix?	mustn't I be nixing? mustn't you be nixing? mustn't she be nixing? mustn't we be nixing? mustn't you be nixing? mustn't they be nixing?
Perfect	V-ing perfect
mustn't I have nixed? mustn't you have nixed? mustn't she have nixed? mustn't we have nixed? mustn't you have nixed? mustn't they have nixed?	mustn't I have been nixing? mustn't you have been nixing? mustn't she have been nixing? mustn't we have been nixing? mustn't you have been nixing? mustn't they have been nixing?