must motorboat
Verbe régulier : motorboat - motorboated- motorboated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must motorboat
you must motorboat
he must motorboat
we must motorboat
you must motorboat
they must motorboat 	I must be motorboating
you must be motorboating
he must be motorboating
we must be motorboating
you must be motorboating
they must be motorboating	I must have motorboated
you must have motorboated
he must have motorboated
we must have motorboated
you must have motorboated
they must have motorboated	I must have been motorboating
you must have been motorboating
he must have been motorboating
we must have been motorboating
you must have been motorboating
they must have been motorboating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not motorboat
you must not motorboat
he must not motorboat
we must not motorboat
you must not motorboat
they must not motorboat 	I must not be motorboating
you must not be motorboating
he must not be motorboating
we must not be motorboating
you must not be motorboating
they must not be motorboating	I must not have motorboated
you must not have motorboated
he must not have motorboated
we must not have motorboated
you must not have motorboated
they must not have motorboated	I must not have been motorboating
you must not have been motorboating
he must not have been motorboating
we must not have been motorboating
you must not have been motorboating
they must not have been motorboating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I motorboat?
must you motorboat?
must he motorboat?
must we motorboat?
must you motorboat?
must they motorboat? 	must I be motorboating?
must you be motorboating?
must he be motorboating?
must we be motorboating?
must you be motorboating?
must they be motorboating? 	must I have motorboated?
must you have motorboated?
must he have motorboated?
must we have motorboated?
must you have motorboated?
must they have motorboated? 	must I have been motorboating?
must you have been motorboating?
must he have been motorboating?
must we have been motorboating?
must you have been motorboating?
must they have been motorboating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not motorboat?
must you not motorboat?
must he not motorboat?
must we not motorboat?
must you not motorboat?
must they not motorboat? 	must I not be motorboating?
must you not be motorboating?
must he not be motorboating?
must we not be motorboating?
must you not be motorboating?
must they not be motorboating? 	must I not have motorboated?
must you not have motorboated?
must he not have motorboated?
must we not have motorboated?
must you not have motorboated?
must they not have motorboated? 	must I not have been motorboating?
must you not have been motorboating?
must he not have been motorboating?
must we not have been motorboating?
must you not have been motorboating?
must they not have been motorboating?