English verb conjugation
COULD SIDE

Regular verb: side - sided - sided

Affirmation

Simple form	V-ing form
I could side you could side she could side we could side you could side they could side	I could be siding you could be siding she could be siding we could be siding you could be siding they could be siding
Perfect	V-ing perfect
I could have sided you could have sided she could have sided we could have sided you could have sided they could have sided	I could have been siding you could have been siding she could have been siding we could have been siding you could have been siding they could have been siding

Negation

Simple form	V-ing form
I couldn't side you couldn't side she couldn't side we couldn't side you couldn't side they couldn't side	I couldn't be siding you couldn't be siding she couldn't be siding we couldn't be siding you couldn't be siding they couldn't be siding
Perfect	V-ing perfect
I couldn't have sided you couldn't have sided she couldn't have sided we couldn't have sided you couldn't have sided they couldn't have sided	I couldn't have been siding you couldn't have been siding she couldn't have been siding we couldn't have been siding you couldn't have been siding they couldn't have been siding

Interrogative form

Simple form	V-ing form
could I side? could you side? could she side? could we side? could you side? could they side?	could I be siding? could you be siding? could she be siding? could we be siding? could you be siding? could they be siding?
Perfect	V-ing perfect
could I have sided? could you have sided? could she have sided? could we have sided? could you have sided? could they have sided?	could I have been siding? could you have been siding? could she have been siding? could we have been siding? could you have been siding? could they have been siding?

Interro-negative form

Simple form	V-ing form
couldn't I side? couldn't you side? couldn't she side? couldn't we side? couldn't you side? couldn't they side?	couldn't I be siding? couldn't you be siding? couldn't she be siding? couldn't we be siding? couldn't you be siding? couldn't they be siding?
Perfect	V-ing perfect
couldn't I have sided? couldn't you have sided? couldn't she have sided? couldn't we have sided? couldn't you have sided? couldn't they have sided?	couldn't I have been siding? couldn't you have been siding? couldn't she have been siding? couldn't we have been siding? couldn't you have been siding? couldn't they have been siding?