must shade
Verbe régulier : shade - shaded- shaded
Traduction française : abriter - se dégrader 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must shade
you must shade
she must shade
we must shade
you must shade
they must shade 	I must be shading
you must be shading
she must be shading
we must be shading
you must be shading
they must be shading	I must have shaded
you must have shaded
she must have shaded
we must have shaded
you must have shaded
they must have shaded	I must have been shading
you must have been shading
she must have been shading
we must have been shading
you must have been shading
they must have been shading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not shade
you must not shade
she must not shade
we must not shade
you must not shade
they must not shade 	I must not be shading
you must not be shading
she must not be shading
we must not be shading
you must not be shading
they must not be shading	I must not have shaded
you must not have shaded
she must not have shaded
we must not have shaded
you must not have shaded
they must not have shaded	I must not have been shading
you must not have been shading
she must not have been shading
we must not have been shading
you must not have been shading
they must not have been shading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I shade?
must you shade?
must she shade?
must we shade?
must you shade?
must they shade? 	must I be shading?
must you be shading?
must she be shading?
must we be shading?
must you be shading?
must they be shading? 	must I have shaded?
must you have shaded?
must she have shaded?
must we have shaded?
must you have shaded?
must they have shaded? 	must I have been shading?
must you have been shading?
must she have been shading?
must we have been shading?
must you have been shading?
must they have been shading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not shade?
must you not shade?
must she not shade?
must we not shade?
must you not shade?
must they not shade? 	must I not be shading?
must you not be shading?
must she not be shading?
must we not be shading?
must you not be shading?
must they not be shading? 	must I not have shaded?
must you not have shaded?
must she not have shaded?
must we not have shaded?
must you not have shaded?
must they not have shaded? 	must I not have been shading?
must you not have been shading?
must she not have been shading?
must we not have been shading?
must you not have been shading?
must they not have been shading?