English verb conjugation
COULD SLOG

Regular verb: slog - slogged - slogged

Affirmation

Simple form	V-ing form
I could slog you could slog she could slog we could slog you could slog they could slog	I could be slogging you could be slogging she could be slogging we could be slogging you could be slogging they could be slogging
Perfect	V-ing perfect
I could have slogged you could have slogged she could have slogged we could have slogged you could have slogged they could have slogged	I could have been slogging you could have been slogging she could have been slogging we could have been slogging you could have been slogging they could have been slogging

Negation

Simple form	V-ing form
I couldn't slog you couldn't slog she couldn't slog we couldn't slog you couldn't slog they couldn't slog	I couldn't be slogging you couldn't be slogging she couldn't be slogging we couldn't be slogging you couldn't be slogging they couldn't be slogging
Perfect	V-ing perfect
I couldn't have slogged you couldn't have slogged she couldn't have slogged we couldn't have slogged you couldn't have slogged they couldn't have slogged	I couldn't have been slogging you couldn't have been slogging she couldn't have been slogging we couldn't have been slogging you couldn't have been slogging they couldn't have been slogging

Interrogative form

Simple form	V-ing form
could I slog? could you slog? could she slog? could we slog? could you slog? could they slog?	could I be slogging? could you be slogging? could she be slogging? could we be slogging? could you be slogging? could they be slogging?
Perfect	V-ing perfect
could I have slogged? could you have slogged? could she have slogged? could we have slogged? could you have slogged? could they have slogged?	could I have been slogging? could you have been slogging? could she have been slogging? could we have been slogging? could you have been slogging? could they have been slogging?

Interro-negative form

Simple form	V-ing form
couldn't I slog? couldn't you slog? couldn't she slog? couldn't we slog? couldn't you slog? couldn't they slog?	couldn't I be slogging? couldn't you be slogging? couldn't she be slogging? couldn't we be slogging? couldn't you be slogging? couldn't they be slogging?
Perfect	V-ing perfect
couldn't I have slogged? couldn't you have slogged? couldn't she have slogged? couldn't we have slogged? couldn't you have slogged? couldn't they have slogged?	couldn't I have been slogging? couldn't you have been slogging? couldn't she have been slogging? couldn't we have been slogging? couldn't you have been slogging? couldn't they have been slogging?