English verb conjugation
COULD CONSTELLATE

Regular verb: constellate - constellated - constellated

Affirmation

Simple form	V-ing form
I could constellate you could constellate he could constellate we could constellate you could constellate they could constellate	I could be constellating you could be constellating he could be constellating we could be constellating you could be constellating they could be constellating
Perfect	V-ing perfect
I could have constellated you could have constellated he could have constellated we could have constellated you could have constellated they could have constellated	I could have been constellating you could have been constellating he could have been constellating we could have been constellating you could have been constellating they could have been constellating

Negation

Simple form	V-ing form
I couldn't constellate you couldn't constellate he couldn't constellate we couldn't constellate you couldn't constellate they couldn't constellate	I couldn't be constellating you couldn't be constellating he couldn't be constellating we couldn't be constellating you couldn't be constellating they couldn't be constellating
Perfect	V-ing perfect
I couldn't have constellated you couldn't have constellated he couldn't have constellated we couldn't have constellated you couldn't have constellated they couldn't have constellated	I couldn't have been constellating you couldn't have been constellating he couldn't have been constellating we couldn't have been constellating you couldn't have been constellating they couldn't have been constellating

Interrogative form

Simple form	V-ing form
could I constellate? could you constellate? could he constellate? could we constellate? could you constellate? could they constellate?	could I be constellating? could you be constellating? could he be constellating? could we be constellating? could you be constellating? could they be constellating?
Perfect	V-ing perfect
could I have constellated? could you have constellated? could he have constellated? could we have constellated? could you have constellated? could they have constellated?	could I have been constellating? could you have been constellating? could he have been constellating? could we have been constellating? could you have been constellating? could they have been constellating?

Interro-negative form

Simple form	V-ing form
couldn't I constellate? couldn't you constellate? couldn't he constellate? couldn't we constellate? couldn't you constellate? couldn't they constellate?	couldn't I be constellating? couldn't you be constellating? couldn't he be constellating? couldn't we be constellating? couldn't you be constellating? couldn't they be constellating?
Perfect	V-ing perfect
couldn't I have constellated? couldn't you have constellated? couldn't he have constellated? couldn't we have constellated? couldn't you have constellated? couldn't they have constellated?	couldn't I have been constellating? couldn't you have been constellating? couldn't he have been constellating? couldn't we have been constellating? couldn't you have been constellating? couldn't they have been constellating?