English verb conjugation
MUST INJECT

Regular verb: inject - injected - injected

Affirmation

Simple form	V-ing form
I must inject you must inject she must inject we must inject you must inject they must inject	I must be injecting you must be injecting she must be injecting we must be injecting you must be injecting they must be injecting
Perfect	V-ing perfect
I must have injected you must have injected she must have injected we must have injected you must have injected they must have injected	I must have been injecting you must have been injecting she must have been injecting we must have been injecting you must have been injecting they must have been injecting

Negation

Simple form	V-ing form
I mustn't inject you mustn't inject she mustn't inject we mustn't inject you mustn't inject they mustn't inject	I mustn't be injecting you mustn't be injecting she mustn't be injecting we mustn't be injecting you mustn't be injecting they mustn't be injecting
Perfect	V-ing perfect
I mustn't have injected you mustn't have injected she mustn't have injected we mustn't have injected you mustn't have injected they mustn't have injected	I mustn't have been injecting you mustn't have been injecting she mustn't have been injecting we mustn't have been injecting you mustn't have been injecting they mustn't have been injecting

Interrogative form

Simple form	V-ing form
must I inject? must you inject? must she inject? must we inject? must you inject? must they inject?	must I be injecting? must you be injecting? must she be injecting? must we be injecting? must you be injecting? must they be injecting?
Perfect	V-ing perfect
must I have injected? must you have injected? must she have injected? must we have injected? must you have injected? must they have injected?	must I have been injecting? must you have been injecting? must she have been injecting? must we have been injecting? must you have been injecting? must they have been injecting?

Interro-negative form

Simple form	V-ing form
mustn't I inject? mustn't you inject? mustn't she inject? mustn't we inject? mustn't you inject? mustn't they inject?	mustn't I be injecting? mustn't you be injecting? mustn't she be injecting? mustn't we be injecting? mustn't you be injecting? mustn't they be injecting?
Perfect	V-ing perfect
mustn't I have injected? mustn't you have injected? mustn't she have injected? mustn't we have injected? mustn't you have injected? mustn't they have injected?	mustn't I have been injecting? mustn't you have been injecting? mustn't she have been injecting? mustn't we have been injecting? mustn't you have been injecting? mustn't they have been injecting?