I must avoid you must avoid she must avoid we must avoid you must avoid they must avoid
V-ing form
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
I must have avoided you must have avoided she must have avoided we must have avoided you must have avoided they must have avoided
V-ing perfect
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
I must not avoid you must not avoid she must not avoid we must not avoid you must not avoid they must not avoid
V-ing form
I must not be avoiding you must not be avoiding she must not be avoiding we must not be avoiding you must not be avoiding they must not be avoiding
Perfect
I must not have avoided you must not have avoided she must not have avoided we must not have avoided you must not have avoided they must not have avoided
V-ing perfect
I must not have been avoiding you must not have been avoiding she must not have been avoiding we must not have been avoiding you must not have been avoiding they must not have been avoiding
Interrogative form
Simple form
must I avoid? must you avoid? must she avoid? must we avoid? must you avoid? must they avoid?
V-ing form
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
must I have avoided? must you have avoided? must she have avoided? must we have avoided? must you have avoided? must they have avoided?
V-ing perfect
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
must I not avoid? must you not avoid? must she not avoid? must we not avoid? must you not avoid? must they not avoid?
V-ing form
must I not be avoiding? must you not be avoiding? must she not be avoiding? must we not be avoiding? must you not be avoiding? must they not be avoiding?
Perfect
must I not have avoided? must you not have avoided? must she not have avoided? must we not have avoided? must you not have avoided? must they not have avoided?
V-ing perfect
must I not have been avoiding? must you not have been avoiding? must she not have been avoiding? must we not have been avoiding? must you not have been avoiding? must they not have been avoiding?