must yawp
Verbe régulier : yawp - yawped- yawped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must yawp
you must yawp
he must yawp
we must yawp
you must yawp
they must yawp 	I must be yawping
you must be yawping
he must be yawping
we must be yawping
you must be yawping
they must be yawping	I must have yawped
you must have yawped
he must have yawped
we must have yawped
you must have yawped
they must have yawped	I must have been yawping
you must have been yawping
he must have been yawping
we must have been yawping
you must have been yawping
they must have been yawping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not yawp
you must not yawp
he must not yawp
we must not yawp
you must not yawp
they must not yawp 	I must not be yawping
you must not be yawping
he must not be yawping
we must not be yawping
you must not be yawping
they must not be yawping	I must not have yawped
you must not have yawped
he must not have yawped
we must not have yawped
you must not have yawped
they must not have yawped	I must not have been yawping
you must not have been yawping
he must not have been yawping
we must not have been yawping
you must not have been yawping
they must not have been yawping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I yawp?
must you yawp?
must he yawp?
must we yawp?
must you yawp?
must they yawp? 	must I be yawping?
must you be yawping?
must he be yawping?
must we be yawping?
must you be yawping?
must they be yawping? 	must I have yawped?
must you have yawped?
must he have yawped?
must we have yawped?
must you have yawped?
must they have yawped? 	must I have been yawping?
must you have been yawping?
must he have been yawping?
must we have been yawping?
must you have been yawping?
must they have been yawping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not yawp?
must you not yawp?
must he not yawp?
must we not yawp?
must you not yawp?
must they not yawp? 	must I not be yawping?
must you not be yawping?
must he not be yawping?
must we not be yawping?
must you not be yawping?
must they not be yawping? 	must I not have yawped?
must you not have yawped?
must he not have yawped?
must we not have yawped?
must you not have yawped?
must they not have yawped? 	must I not have been yawping?
must you not have been yawping?
must he not have been yawping?
must we not have been yawping?
must you not have been yawping?
must they not have been yawping?