must castigate
Regular verb: castigate - castigated- castigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must castigate
you must castigate
she must castigate
we must castigate
you must castigate
they must castigate 	I must be castigating
you must be castigating
she must be castigating
we must be castigating
you must be castigating
they must be castigating	I must have castigated
you must have castigated
she must have castigated
we must have castigated
you must have castigated
they must have castigated	I must have been castigating
you must have been castigating
she must have been castigating
we must have been castigating
you must have been castigating
they must have been castigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not castigate
you must not castigate
she must not castigate
we must not castigate
you must not castigate
they must not castigate 	I must not be castigating
you must not be castigating
she must not be castigating
we must not be castigating
you must not be castigating
they must not be castigating	I must not have castigated
you must not have castigated
she must not have castigated
we must not have castigated
you must not have castigated
they must not have castigated	I must not have been castigating
you must not have been castigating
she must not have been castigating
we must not have been castigating
you must not have been castigating
they must not have been castigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I castigate?
must you castigate?
must she castigate?
must we castigate?
must you castigate?
must they castigate? 	must I be castigating?
must you be castigating?
must she be castigating?
must we be castigating?
must you be castigating?
must they be castigating? 	must I have castigated?
must you have castigated?
must she have castigated?
must we have castigated?
must you have castigated?
must they have castigated? 	must I have been castigating?
must you have been castigating?
must she have been castigating?
must we have been castigating?
must you have been castigating?
must they have been castigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not castigate?
must you not castigate?
must she not castigate?
must we not castigate?
must you not castigate?
must they not castigate? 	must I not be castigating?
must you not be castigating?
must she not be castigating?
must we not be castigating?
must you not be castigating?
must they not be castigating? 	must I not have castigated?
must you not have castigated?
must she not have castigated?
must we not have castigated?
must you not have castigated?
must they not have castigated? 	must I not have been castigating?
must you not have been castigating?
must she not have been castigating?
must we not have been castigating?
must you not have been castigating?
must they not have been castigating?