English verb conjugation
COULD TRANSUBSTANTIATE

Regular verb: transubstantiate - transubstantiated - transubstantiated

Affirmation

Simple form	V-ing form
I could transubstantiate you could transubstantiate he could transubstantiate we could transubstantiate you could transubstantiate they could transubstantiate	I could be transubstantiating you could be transubstantiating he could be transubstantiating we could be transubstantiating you could be transubstantiating they could be transubstantiating
Perfect	V-ing perfect
I could have transubstantiated you could have transubstantiated he could have transubstantiated we could have transubstantiated you could have transubstantiated they could have transubstantiated	I could have been transubstantiating you could have been transubstantiating he could have been transubstantiating we could have been transubstantiating you could have been transubstantiating they could have been transubstantiating

Negation

Simple form	V-ing form
I couldn't transubstantiate you couldn't transubstantiate he couldn't transubstantiate we couldn't transubstantiate you couldn't transubstantiate they couldn't transubstantiate	I couldn't be transubstantiating you couldn't be transubstantiating he couldn't be transubstantiating we couldn't be transubstantiating you couldn't be transubstantiating they couldn't be transubstantiating
Perfect	V-ing perfect
I couldn't have transubstantiated you couldn't have transubstantiated he couldn't have transubstantiated we couldn't have transubstantiated you couldn't have transubstantiated they couldn't have transubstantiated	I couldn't have been transubstantiating you couldn't have been transubstantiating he couldn't have been transubstantiating we couldn't have been transubstantiating you couldn't have been transubstantiating they couldn't have been transubstantiating

Interrogative form

Simple form	V-ing form
could I transubstantiate? could you transubstantiate? could he transubstantiate? could we transubstantiate? could you transubstantiate? could they transubstantiate?	could I be transubstantiating? could you be transubstantiating? could he be transubstantiating? could we be transubstantiating? could you be transubstantiating? could they be transubstantiating?
Perfect	V-ing perfect
could I have transubstantiated? could you have transubstantiated? could he have transubstantiated? could we have transubstantiated? could you have transubstantiated? could they have transubstantiated?	could I have been transubstantiating? could you have been transubstantiating? could he have been transubstantiating? could we have been transubstantiating? could you have been transubstantiating? could they have been transubstantiating?

Interro-negative form

Simple form	V-ing form
couldn't I transubstantiate? couldn't you transubstantiate? couldn't he transubstantiate? couldn't we transubstantiate? couldn't you transubstantiate? couldn't they transubstantiate?	couldn't I be transubstantiating? couldn't you be transubstantiating? couldn't he be transubstantiating? couldn't we be transubstantiating? couldn't you be transubstantiating? couldn't they be transubstantiating?
Perfect	V-ing perfect
couldn't I have transubstantiated? couldn't you have transubstantiated? couldn't he have transubstantiated? couldn't we have transubstantiated? couldn't you have transubstantiated? couldn't they have transubstantiated?	couldn't I have been transubstantiating? couldn't you have been transubstantiating? couldn't he have been transubstantiating? couldn't we have been transubstantiating? couldn't you have been transubstantiating? couldn't they have been transubstantiating?