English verb conjugation
COULD EMBANK

Regular verb: embank - embanked - embanked

Affirmation

Simple form	V-ing form
I could embank you could embank she could embank we could embank you could embank they could embank	I could be embanking you could be embanking she could be embanking we could be embanking you could be embanking they could be embanking
Perfect	V-ing perfect
I could have embanked you could have embanked she could have embanked we could have embanked you could have embanked they could have embanked	I could have been embanking you could have been embanking she could have been embanking we could have been embanking you could have been embanking they could have been embanking

Negation

Simple form	V-ing form
I couldn't embank you couldn't embank she couldn't embank we couldn't embank you couldn't embank they couldn't embank	I couldn't be embanking you couldn't be embanking she couldn't be embanking we couldn't be embanking you couldn't be embanking they couldn't be embanking
Perfect	V-ing perfect
I couldn't have embanked you couldn't have embanked she couldn't have embanked we couldn't have embanked you couldn't have embanked they couldn't have embanked	I couldn't have been embanking you couldn't have been embanking she couldn't have been embanking we couldn't have been embanking you couldn't have been embanking they couldn't have been embanking

Interrogative form

Simple form	V-ing form
could I embank? could you embank? could she embank? could we embank? could you embank? could they embank?	could I be embanking? could you be embanking? could she be embanking? could we be embanking? could you be embanking? could they be embanking?
Perfect	V-ing perfect
could I have embanked? could you have embanked? could she have embanked? could we have embanked? could you have embanked? could they have embanked?	could I have been embanking? could you have been embanking? could she have been embanking? could we have been embanking? could you have been embanking? could they have been embanking?

Interro-negative form

Simple form	V-ing form
couldn't I embank? couldn't you embank? couldn't she embank? couldn't we embank? couldn't you embank? couldn't they embank?	couldn't I be embanking? couldn't you be embanking? couldn't she be embanking? couldn't we be embanking? couldn't you be embanking? couldn't they be embanking?
Perfect	V-ing perfect
couldn't I have embanked? couldn't you have embanked? couldn't she have embanked? couldn't we have embanked? couldn't you have embanked? couldn't they have embanked?	couldn't I have been embanking? couldn't you have been embanking? couldn't she have been embanking? couldn't we have been embanking? couldn't you have been embanking? couldn't they have been embanking?