English verb conjugation
COULD CARPENTER

Regular verb: carpenter - carpentered - carpentered

Affirmation

Simple form	V-ing form
I could carpenter you could carpenter he could carpenter we could carpenter you could carpenter they could carpenter	I could be carpentering you could be carpentering he could be carpentering we could be carpentering you could be carpentering they could be carpentering
Perfect	V-ing perfect
I could have carpentered you could have carpentered he could have carpentered we could have carpentered you could have carpentered they could have carpentered	I could have been carpentering you could have been carpentering he could have been carpentering we could have been carpentering you could have been carpentering they could have been carpentering

Negation

Simple form	V-ing form
I couldn't carpenter you couldn't carpenter he couldn't carpenter we couldn't carpenter you couldn't carpenter they couldn't carpenter	I couldn't be carpentering you couldn't be carpentering he couldn't be carpentering we couldn't be carpentering you couldn't be carpentering they couldn't be carpentering
Perfect	V-ing perfect
I couldn't have carpentered you couldn't have carpentered he couldn't have carpentered we couldn't have carpentered you couldn't have carpentered they couldn't have carpentered	I couldn't have been carpentering you couldn't have been carpentering he couldn't have been carpentering we couldn't have been carpentering you couldn't have been carpentering they couldn't have been carpentering

Interrogative form

Simple form	V-ing form
could I carpenter? could you carpenter? could he carpenter? could we carpenter? could you carpenter? could they carpenter?	could I be carpentering? could you be carpentering? could he be carpentering? could we be carpentering? could you be carpentering? could they be carpentering?
Perfect	V-ing perfect
could I have carpentered? could you have carpentered? could he have carpentered? could we have carpentered? could you have carpentered? could they have carpentered?	could I have been carpentering? could you have been carpentering? could he have been carpentering? could we have been carpentering? could you have been carpentering? could they have been carpentering?

Interro-negative form

Simple form	V-ing form
couldn't I carpenter? couldn't you carpenter? couldn't he carpenter? couldn't we carpenter? couldn't you carpenter? couldn't they carpenter?	couldn't I be carpentering? couldn't you be carpentering? couldn't he be carpentering? couldn't we be carpentering? couldn't you be carpentering? couldn't they be carpentering?
Perfect	V-ing perfect
couldn't I have carpentered? couldn't you have carpentered? couldn't he have carpentered? couldn't we have carpentered? couldn't you have carpentered? couldn't they have carpentered?	couldn't I have been carpentering? couldn't you have been carpentering? couldn't he have been carpentering? couldn't we have been carpentering? couldn't you have been carpentering? couldn't they have been carpentering?