English verb conjugation
MUST SHADE

Regular verb: shade - shaded - shaded

Affirmation

Simple form	V-ing form
I must shade you must shade he must shade we must shade you must shade they must shade	I must be shading you must be shading he must be shading we must be shading you must be shading they must be shading
Perfect	V-ing perfect
I must have shaded you must have shaded he 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 he must have been shading we must have been shading you must have been shading they must have been shading

Negation

Simple form	V-ing form
I must not shade you must not shade he 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 he must not be shading we must not be shading you must not be shading they must not be shading
Perfect	V-ing perfect
I must not have shaded you must not have shaded he 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 he must not have been shading we must not have been shading you must not have been shading they must not have been shading

Interrogative form

Simple form	V-ing form
must I shade? must you shade? must he shade? must we shade? must you shade? must they shade?	must I be shading? must you be shading? must he be shading? must we be shading? must you be shading? must they be shading?
Perfect	V-ing perfect
must I have shaded? must you have shaded? must he 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 he have been shading? must we have been shading? must you have been shading? must they have been shading?

Interro-negative form

Simple form	V-ing form
must I not shade? must you not shade? must he 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 he not be shading? must we not be shading? must you not be shading? must they not be shading?
Perfect	V-ing perfect
must I not have shaded? must you not have shaded? must he 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 he not have been shading? must we not have been shading? must you not have been shading? must they not have been shading?