must castle
Verbe régulier : castle - castled- castled
Traduction française : roquer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must castle
you must castle
he must castle
we must castle
you must castle
they must castle 	I must be castling
you must be castling
he must be castling
we must be castling
you must be castling
they must be castling	I must have castled
you must have castled
he must have castled
we must have castled
you must have castled
they must have castled	I must have been castling
you must have been castling
he must have been castling
we must have been castling
you must have been castling
they must have been castling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not castle
you must not castle
he must not castle
we must not castle
you must not castle
they must not castle 	I must not be castling
you must not be castling
he must not be castling
we must not be castling
you must not be castling
they must not be castling	I must not have castled
you must not have castled
he must not have castled
we must not have castled
you must not have castled
they must not have castled	I must not have been castling
you must not have been castling
he must not have been castling
we must not have been castling
you must not have been castling
they must not have been castling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I castle?
must you castle?
must he castle?
must we castle?
must you castle?
must they castle? 	must I be castling?
must you be castling?
must he be castling?
must we be castling?
must you be castling?
must they be castling? 	must I have castled?
must you have castled?
must he have castled?
must we have castled?
must you have castled?
must they have castled? 	must I have been castling?
must you have been castling?
must he have been castling?
must we have been castling?
must you have been castling?
must they have been castling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not castle?
must you not castle?
must he not castle?
must we not castle?
must you not castle?
must they not castle? 	must I not be castling?
must you not be castling?
must he not be castling?
must we not be castling?
must you not be castling?
must they not be castling? 	must I not have castled?
must you not have castled?
must he not have castled?
must we not have castled?
must you not have castled?
must they not have castled? 	must I not have been castling?
must you not have been castling?
must he not have been castling?
must we not have been castling?
must you not have been castling?
must they not have been castling?