must chlorinate
Regular verb: chlorinate - chlorinated- chlorinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must chlorinate
you must chlorinate
he must chlorinate
we must chlorinate
you must chlorinate
they must chlorinate 	I must be chlorinating
you must be chlorinating
he must be chlorinating
we must be chlorinating
you must be chlorinating
they must be chlorinating	I must have chlorinated
you must have chlorinated
he must have chlorinated
we must have chlorinated
you must have chlorinated
they must have chlorinated	I must have been chlorinating
you must have been chlorinating
he must have been chlorinating
we must have been chlorinating
you must have been chlorinating
they must have been chlorinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not chlorinate
you must not chlorinate
he must not chlorinate
we must not chlorinate
you must not chlorinate
they must not chlorinate 	I must not be chlorinating
you must not be chlorinating
he must not be chlorinating
we must not be chlorinating
you must not be chlorinating
they must not be chlorinating	I must not have chlorinated
you must not have chlorinated
he must not have chlorinated
we must not have chlorinated
you must not have chlorinated
they must not have chlorinated	I must not have been chlorinating
you must not have been chlorinating
he must not have been chlorinating
we must not have been chlorinating
you must not have been chlorinating
they must not have been chlorinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I chlorinate?
must you chlorinate?
must he chlorinate?
must we chlorinate?
must you chlorinate?
must they chlorinate? 	must I be chlorinating?
must you be chlorinating?
must he be chlorinating?
must we be chlorinating?
must you be chlorinating?
must they be chlorinating? 	must I have chlorinated?
must you have chlorinated?
must he have chlorinated?
must we have chlorinated?
must you have chlorinated?
must they have chlorinated? 	must I have been chlorinating?
must you have been chlorinating?
must he have been chlorinating?
must we have been chlorinating?
must you have been chlorinating?
must they have been chlorinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not chlorinate?
must you not chlorinate?
must he not chlorinate?
must we not chlorinate?
must you not chlorinate?
must they not chlorinate? 	must I not be chlorinating?
must you not be chlorinating?
must he not be chlorinating?
must we not be chlorinating?
must you not be chlorinating?
must they not be chlorinating? 	must I not have chlorinated?
must you not have chlorinated?
must he not have chlorinated?
must we not have chlorinated?
must you not have chlorinated?
must they not have chlorinated? 	must I not have been chlorinating?
must you not have been chlorinating?
must he not have been chlorinating?
must we not have been chlorinating?
must you not have been chlorinating?
must they not have been chlorinating?