must overcast
Verbe régulier : overcast - overcasted- overcasted
Traduction française : surfiler 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must overcast
you must overcast
she must overcast
we must overcast
you must overcast
they must overcast 	I must be overcasting
you must be overcasting
she must be overcasting
we must be overcasting
you must be overcasting
they must be overcasting	I must have overcasted
you must have overcasted
she must have overcasted
we must have overcasted
you must have overcasted
they must have overcasted	I must have been overcasting
you must have been overcasting
she must have been overcasting
we must have been overcasting
you must have been overcasting
they must have been overcasting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not overcast
you must not overcast
she must not overcast
we must not overcast
you must not overcast
they must not overcast 	I must not be overcasting
you must not be overcasting
she must not be overcasting
we must not be overcasting
you must not be overcasting
they must not be overcasting	I must not have overcasted
you must not have overcasted
she must not have overcasted
we must not have overcasted
you must not have overcasted
they must not have overcasted	I must not have been overcasting
you must not have been overcasting
she must not have been overcasting
we must not have been overcasting
you must not have been overcasting
they must not have been overcasting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I overcast?
must you overcast?
must she overcast?
must we overcast?
must you overcast?
must they overcast? 	must I be overcasting?
must you be overcasting?
must she be overcasting?
must we be overcasting?
must you be overcasting?
must they be overcasting? 	must I have overcasted?
must you have overcasted?
must she have overcasted?
must we have overcasted?
must you have overcasted?
must they have overcasted? 	must I have been overcasting?
must you have been overcasting?
must she have been overcasting?
must we have been overcasting?
must you have been overcasting?
must they have been overcasting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not overcast?
must you not overcast?
must she not overcast?
must we not overcast?
must you not overcast?
must they not overcast? 	must I not be overcasting?
must you not be overcasting?
must she not be overcasting?
must we not be overcasting?
must you not be overcasting?
must they not be overcasting? 	must I not have overcasted?
must you not have overcasted?
must she not have overcasted?
must we not have overcasted?
must you not have overcasted?
must they not have overcasted? 	must I not have been overcasting?
must you not have been overcasting?
must she not have been overcasting?
must we not have been overcasting?
must you not have been overcasting?
must they not have been overcasting?