must avoid
Regular verb: avoid - avoided- avoided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I must not avoid
you must not avoid
she must not avoid
we must not avoid
you must not avoid
they must not avoid 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
must I not avoid?
must you not avoid?
must she not avoid?
must we not avoid?
must you not avoid?
must they not avoid? 	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? 	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? 	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?