English verb conjugation
MUST AVOID

Regular verb: avoid - avoided - avoided

Affirmation

Simple form	V-ing form
I must avoid you must avoid she must avoid we must avoid you must avoid they must avoid	I must be avoiding you must be avoiding she must be avoiding we must be avoiding you must be avoiding they must be avoiding
Perfect	V-ing perfect
I must have avoided you must have avoided she must have avoided we must have avoided you must have avoided they must have avoided	I must have been avoiding you must have been avoiding she must have been avoiding we must have been avoiding you must have been avoiding they must have been avoiding

Negation

Simple form	V-ing form
I mustn't avoid you mustn't avoid she mustn't avoid we mustn't avoid you mustn't avoid they mustn't avoid	I mustn't be avoiding you mustn't be avoiding she mustn't be avoiding we mustn't be avoiding you mustn't be avoiding they mustn't be avoiding
Perfect	V-ing perfect
I mustn't have avoided you mustn't have avoided she mustn't have avoided we mustn't have avoided you mustn't have avoided they mustn't have avoided	I mustn't have been avoiding you mustn't have been avoiding she mustn't have been avoiding we mustn't have been avoiding you mustn't have been avoiding they mustn't have been avoiding

Interrogative form

Simple form	V-ing form
must I avoid? must you avoid? must she avoid? must we avoid? must you avoid? must they avoid?	must I be avoiding? must you be avoiding? must she be avoiding? must we be avoiding? must you be avoiding? must they be avoiding?
Perfect	V-ing perfect
must I have avoided? must you have avoided? must she have avoided? must we have avoided? must you have avoided? must they have avoided?	must I have been avoiding? must you have been avoiding? must she have been avoiding? must we have been avoiding? must you have been avoiding? must they have been avoiding?

Interro-negative form

Simple form	V-ing form
mustn't I avoid? mustn't you avoid? mustn't she avoid? mustn't we avoid? mustn't you avoid? mustn't they avoid?	mustn't I be avoiding? mustn't you be avoiding? mustn't she be avoiding? mustn't we be avoiding? mustn't you be avoiding? mustn't they be avoiding?
Perfect	V-ing perfect
mustn't I have avoided? mustn't you have avoided? mustn't she have avoided? mustn't we have avoided? mustn't you have avoided? mustn't they have avoided?	mustn't I have been avoiding? mustn't you have been avoiding? mustn't she have been avoiding? mustn't we have been avoiding? mustn't you have been avoiding? mustn't they have been avoiding?