English verb conjugation
CAN SHADE

Regular verb: shade - shaded - shaded

Affirmation

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

Negation

Simple form	V-ing form
I can't shade you can't shade he can't shade we can't shade you can't shade they can't shade	I can't be shading you can't be shading he can't be shading we can't be shading you can't be shading they can't be shading
Perfect	V-ing perfect
I can't have shaded you can't have shaded he can't have shaded we can't have shaded you can't have shaded they can't have shaded	I can't have been shading you can't have been shading he can't have been shading we can't have been shading you can't have been shading they can't have been shading

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I shade? can't you shade? can't he shade? can't we shade? can't you shade? can't they shade?	can't I be shading? can't you be shading? can't he be shading? can't we be shading? can't you be shading? can't they be shading?
Perfect	V-ing perfect
can't I have shaded? can't you have shaded? can't he have shaded? can't we have shaded? can't you have shaded? can't they have shaded?	can't I have been shading? can't you have been shading? can't he have been shading? can't we have been shading? can't you have been shading? can't they have been shading?