must instant-message
Verbe régulier : instant-message - instant-messaged- instant-messaged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must instant-message
you must instant-message
she must instant-message
we must instant-message
you must instant-message
they must instant-message 	I must be instant-messaging
you must be instant-messaging
she must be instant-messaging
we must be instant-messaging
you must be instant-messaging
they must be instant-messaging	I must have instant-messaged
you must have instant-messaged
she must have instant-messaged
we must have instant-messaged
you must have instant-messaged
they must have instant-messaged	I must have been instant-messaging
you must have been instant-messaging
she must have been instant-messaging
we must have been instant-messaging
you must have been instant-messaging
they must have been instant-messaging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not instant-message
you must not instant-message
she must not instant-message
we must not instant-message
you must not instant-message
they must not instant-message 	I must not be instant-messaging
you must not be instant-messaging
she must not be instant-messaging
we must not be instant-messaging
you must not be instant-messaging
they must not be instant-messaging	I must not have instant-messaged
you must not have instant-messaged
she must not have instant-messaged
we must not have instant-messaged
you must not have instant-messaged
they must not have instant-messaged	I must not have been instant-messaging
you must not have been instant-messaging
she must not have been instant-messaging
we must not have been instant-messaging
you must not have been instant-messaging
they must not have been instant-messaging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I instant-message?
must you instant-message?
must she instant-message?
must we instant-message?
must you instant-message?
must they instant-message? 	must I be instant-messaging?
must you be instant-messaging?
must she be instant-messaging?
must we be instant-messaging?
must you be instant-messaging?
must they be instant-messaging? 	must I have instant-messaged?
must you have instant-messaged?
must she have instant-messaged?
must we have instant-messaged?
must you have instant-messaged?
must they have instant-messaged? 	must I have been instant-messaging?
must you have been instant-messaging?
must she have been instant-messaging?
must we have been instant-messaging?
must you have been instant-messaging?
must they have been instant-messaging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not instant-message?
must you not instant-message?
must she not instant-message?
must we not instant-message?
must you not instant-message?
must they not instant-message? 	must I not be instant-messaging?
must you not be instant-messaging?
must she not be instant-messaging?
must we not be instant-messaging?
must you not be instant-messaging?
must they not be instant-messaging? 	must I not have instant-messaged?
must you not have instant-messaged?
must she not have instant-messaged?
must we not have instant-messaged?
must you not have instant-messaged?
must they not have instant-messaged? 	must I not have been instant-messaging?
must you not have been instant-messaging?
must she not have been instant-messaging?
must we not have been instant-messaging?
must you not have been instant-messaging?
must they not have been instant-messaging?