English verb conjugation
COULD OVERSHADOW

Regular verb: overshadow - overshadowed - overshadowed

Affirmation

Simple form	V-ing form
I could overshadow you could overshadow he could overshadow we could overshadow you could overshadow they could overshadow	I could be overshadowing you could be overshadowing he could be overshadowing we could be overshadowing you could be overshadowing they could be overshadowing
Perfect	V-ing perfect
I could have overshadowed you could have overshadowed he could have overshadowed we could have overshadowed you could have overshadowed they could have overshadowed	I could have been overshadowing you could have been overshadowing he could have been overshadowing we could have been overshadowing you could have been overshadowing they could have been overshadowing

Negation

Simple form	V-ing form
I couldn't overshadow you couldn't overshadow he couldn't overshadow we couldn't overshadow you couldn't overshadow they couldn't overshadow	I couldn't be overshadowing you couldn't be overshadowing he couldn't be overshadowing we couldn't be overshadowing you couldn't be overshadowing they couldn't be overshadowing
Perfect	V-ing perfect
I couldn't have overshadowed you couldn't have overshadowed he couldn't have overshadowed we couldn't have overshadowed you couldn't have overshadowed they couldn't have overshadowed	I couldn't have been overshadowing you couldn't have been overshadowing he couldn't have been overshadowing we couldn't have been overshadowing you couldn't have been overshadowing they couldn't have been overshadowing

Interrogative form

Simple form	V-ing form
could I overshadow? could you overshadow? could he overshadow? could we overshadow? could you overshadow? could they overshadow?	could I be overshadowing? could you be overshadowing? could he be overshadowing? could we be overshadowing? could you be overshadowing? could they be overshadowing?
Perfect	V-ing perfect
could I have overshadowed? could you have overshadowed? could he have overshadowed? could we have overshadowed? could you have overshadowed? could they have overshadowed?	could I have been overshadowing? could you have been overshadowing? could he have been overshadowing? could we have been overshadowing? could you have been overshadowing? could they have been overshadowing?

Interro-negative form

Simple form	V-ing form
couldn't I overshadow? couldn't you overshadow? couldn't he overshadow? couldn't we overshadow? couldn't you overshadow? couldn't they overshadow?	couldn't I be overshadowing? couldn't you be overshadowing? couldn't he be overshadowing? couldn't we be overshadowing? couldn't you be overshadowing? couldn't they be overshadowing?
Perfect	V-ing perfect
couldn't I have overshadowed? couldn't you have overshadowed? couldn't he have overshadowed? couldn't we have overshadowed? couldn't you have overshadowed? couldn't they have overshadowed?	couldn't I have been overshadowing? couldn't you have been overshadowing? couldn't he have been overshadowing? couldn't we have been overshadowing? couldn't you have been overshadowing? couldn't they have been overshadowing?