must insulate
Verbe régulier : insulate - insulated- insulated
Traduction française : isoler - protéger 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must insulate
you must insulate
she must insulate
we must insulate
you must insulate
they must insulate 	I must be insulating
you must be insulating
she must be insulating
we must be insulating
you must be insulating
they must be insulating	I must have insulated
you must have insulated
she must have insulated
we must have insulated
you must have insulated
they must have insulated	I must have been insulating
you must have been insulating
she must have been insulating
we must have been insulating
you must have been insulating
they must have been insulating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not insulate
you must not insulate
she must not insulate
we must not insulate
you must not insulate
they must not insulate 	I must not be insulating
you must not be insulating
she must not be insulating
we must not be insulating
you must not be insulating
they must not be insulating	I must not have insulated
you must not have insulated
she must not have insulated
we must not have insulated
you must not have insulated
they must not have insulated	I must not have been insulating
you must not have been insulating
she must not have been insulating
we must not have been insulating
you must not have been insulating
they must not have been insulating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I insulate?
must you insulate?
must she insulate?
must we insulate?
must you insulate?
must they insulate? 	must I be insulating?
must you be insulating?
must she be insulating?
must we be insulating?
must you be insulating?
must they be insulating? 	must I have insulated?
must you have insulated?
must she have insulated?
must we have insulated?
must you have insulated?
must they have insulated? 	must I have been insulating?
must you have been insulating?
must she have been insulating?
must we have been insulating?
must you have been insulating?
must they have been insulating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not insulate?
must you not insulate?
must she not insulate?
must we not insulate?
must you not insulate?
must they not insulate? 	must I not be insulating?
must you not be insulating?
must she not be insulating?
must we not be insulating?
must you not be insulating?
must they not be insulating? 	must I not have insulated?
must you not have insulated?
must she not have insulated?
must we not have insulated?
must you not have insulated?
must they not have insulated? 	must I not have been insulating?
must you not have been insulating?
must she not have been insulating?
must we not have been insulating?
must you not have been insulating?
must they not have been insulating?