English verb conjugation
MUST INJECT

Regular verb: inject - injected - injected

Affirmation

Simple form	V-ing form
I must inject you must inject he must inject we must inject you must inject they must inject	I must be injecting you must be injecting he 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 he 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 he 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 he 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 he 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 he 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 he 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 he inject? must we inject? must you inject? must they inject?	must I be injecting? must you be injecting? must he 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 he 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 he 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 he 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 he 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 he 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 he have been injecting? mustn't we have been injecting? mustn't you have been injecting? mustn't they have been injecting?