must coerce
Regular verb: coerce - coerced- coerced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must coerce
you must coerce
she must coerce
we must coerce
you must coerce
they must coerce 	I must be coercing
you must be coercing
she must be coercing
we must be coercing
you must be coercing
they must be coercing	I must have coerced
you must have coerced
she must have coerced
we must have coerced
you must have coerced
they must have coerced	I must have been coercing
you must have been coercing
she must have been coercing
we must have been coercing
you must have been coercing
they must have been coercing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not coerce
you must not coerce
she must not coerce
we must not coerce
you must not coerce
they must not coerce 	I must not be coercing
you must not be coercing
she must not be coercing
we must not be coercing
you must not be coercing
they must not be coercing	I must not have coerced
you must not have coerced
she must not have coerced
we must not have coerced
you must not have coerced
they must not have coerced	I must not have been coercing
you must not have been coercing
she must not have been coercing
we must not have been coercing
you must not have been coercing
they must not have been coercing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I coerce?
must you coerce?
must she coerce?
must we coerce?
must you coerce?
must they coerce? 	must I be coercing?
must you be coercing?
must she be coercing?
must we be coercing?
must you be coercing?
must they be coercing? 	must I have coerced?
must you have coerced?
must she have coerced?
must we have coerced?
must you have coerced?
must they have coerced? 	must I have been coercing?
must you have been coercing?
must she have been coercing?
must we have been coercing?
must you have been coercing?
must they have been coercing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not coerce?
must you not coerce?
must she not coerce?
must we not coerce?
must you not coerce?
must they not coerce? 	must I not be coercing?
must you not be coercing?
must she not be coercing?
must we not be coercing?
must you not be coercing?
must they not be coercing? 	must I not have coerced?
must you not have coerced?
must she not have coerced?
must we not have coerced?
must you not have coerced?
must they not have coerced? 	must I not have been coercing?
must you not have been coercing?
must she not have been coercing?
must we not have been coercing?
must you not have been coercing?
must they not have been coercing?