must seat
Verbe régulier : seat - seated- seated
Traduction française : faire asseoir - se déformer (à l'arrière) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must seat
you must seat
he must seat
we must seat
you must seat
they must seat 	I must be seating
you must be seating
he must be seating
we must be seating
you must be seating
they must be seating	I must have seated
you must have seated
he must have seated
we must have seated
you must have seated
they must have seated	I must have been seating
you must have been seating
he must have been seating
we must have been seating
you must have been seating
they must have been seating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not seat
you must not seat
he must not seat
we must not seat
you must not seat
they must not seat 	I must not be seating
you must not be seating
he must not be seating
we must not be seating
you must not be seating
they must not be seating	I must not have seated
you must not have seated
he must not have seated
we must not have seated
you must not have seated
they must not have seated	I must not have been seating
you must not have been seating
he must not have been seating
we must not have been seating
you must not have been seating
they must not have been seating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I seat?
must you seat?
must he seat?
must we seat?
must you seat?
must they seat? 	must I be seating?
must you be seating?
must he be seating?
must we be seating?
must you be seating?
must they be seating? 	must I have seated?
must you have seated?
must he have seated?
must we have seated?
must you have seated?
must they have seated? 	must I have been seating?
must you have been seating?
must he have been seating?
must we have been seating?
must you have been seating?
must they have been seating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not seat?
must you not seat?
must he not seat?
must we not seat?
must you not seat?
must they not seat? 	must I not be seating?
must you not be seating?
must he not be seating?
must we not be seating?
must you not be seating?
must they not be seating? 	must I not have seated?
must you not have seated?
must he not have seated?
must we not have seated?
must you not have seated?
must they not have seated? 	must I not have been seating?
must you not have been seating?
must he not have been seating?
must we not have been seating?
must you not have been seating?
must they not have been seating?