English verb conjugation
MUST TUBE-FEED

Regular verb: tube-feed - tube-feeded - tube-feeded

Affirmation

Simple form	V-ing form
I must tube-feed you must tube-feed she must tube-feed we must tube-feed you must tube-feed they must tube-feed	I must be tube-feeding you must be tube-feeding she must be tube-feeding we must be tube-feeding you must be tube-feeding they must be tube-feeding
Perfect	V-ing perfect
I must have tube-feeded you must have tube-feeded she must have tube-feeded we must have tube-feeded you must have tube-feeded they must have tube-feeded	I must have been tube-feeding you must have been tube-feeding she must have been tube-feeding we must have been tube-feeding you must have been tube-feeding they must have been tube-feeding

Negation

Simple form	V-ing form
I mustn't tube-feed you mustn't tube-feed she mustn't tube-feed we mustn't tube-feed you mustn't tube-feed they mustn't tube-feed	I mustn't be tube-feeding you mustn't be tube-feeding she mustn't be tube-feeding we mustn't be tube-feeding you mustn't be tube-feeding they mustn't be tube-feeding
Perfect	V-ing perfect
I mustn't have tube-feeded you mustn't have tube-feeded she mustn't have tube-feeded we mustn't have tube-feeded you mustn't have tube-feeded they mustn't have tube-feeded	I mustn't have been tube-feeding you mustn't have been tube-feeding she mustn't have been tube-feeding we mustn't have been tube-feeding you mustn't have been tube-feeding they mustn't have been tube-feeding

Interrogative form

Simple form	V-ing form
must I tube-feed? must you tube-feed? must she tube-feed? must we tube-feed? must you tube-feed? must they tube-feed?	must I be tube-feeding? must you be tube-feeding? must she be tube-feeding? must we be tube-feeding? must you be tube-feeding? must they be tube-feeding?
Perfect	V-ing perfect
must I have tube-feeded? must you have tube-feeded? must she have tube-feeded? must we have tube-feeded? must you have tube-feeded? must they have tube-feeded?	must I have been tube-feeding? must you have been tube-feeding? must she have been tube-feeding? must we have been tube-feeding? must you have been tube-feeding? must they have been tube-feeding?

Interro-negative form

Simple form	V-ing form
mustn't I tube-feed? mustn't you tube-feed? mustn't she tube-feed? mustn't we tube-feed? mustn't you tube-feed? mustn't they tube-feed?	mustn't I be tube-feeding? mustn't you be tube-feeding? mustn't she be tube-feeding? mustn't we be tube-feeding? mustn't you be tube-feeding? mustn't they be tube-feeding?
Perfect	V-ing perfect
mustn't I have tube-feeded? mustn't you have tube-feeded? mustn't she have tube-feeded? mustn't we have tube-feeded? mustn't you have tube-feeded? mustn't they have tube-feeded?	mustn't I have been tube-feeding? mustn't you have been tube-feeding? mustn't she have been tube-feeding? mustn't we have been tube-feeding? mustn't you have been tube-feeding? mustn't they have been tube-feeding?