English verb conjugation
COULD RATCHET

Regular verb: ratchet - ratcheted - ratcheted

Affirmation

Simple form	V-ing form
I could ratchet you could ratchet she could ratchet we could ratchet you could ratchet they could ratchet	I could be ratcheting you could be ratcheting she could be ratcheting we could be ratcheting you could be ratcheting they could be ratcheting
Perfect	V-ing perfect
I could have ratcheted you could have ratcheted she could have ratcheted we could have ratcheted you could have ratcheted they could have ratcheted	I could have been ratcheting you could have been ratcheting she could have been ratcheting we could have been ratcheting you could have been ratcheting they could have been ratcheting

Negation

Simple form	V-ing form
I couldn't ratchet you couldn't ratchet she couldn't ratchet we couldn't ratchet you couldn't ratchet they couldn't ratchet	I couldn't be ratcheting you couldn't be ratcheting she couldn't be ratcheting we couldn't be ratcheting you couldn't be ratcheting they couldn't be ratcheting
Perfect	V-ing perfect
I couldn't have ratcheted you couldn't have ratcheted she couldn't have ratcheted we couldn't have ratcheted you couldn't have ratcheted they couldn't have ratcheted	I couldn't have been ratcheting you couldn't have been ratcheting she couldn't have been ratcheting we couldn't have been ratcheting you couldn't have been ratcheting they couldn't have been ratcheting

Interrogative form

Simple form	V-ing form
could I ratchet? could you ratchet? could she ratchet? could we ratchet? could you ratchet? could they ratchet?	could I be ratcheting? could you be ratcheting? could she be ratcheting? could we be ratcheting? could you be ratcheting? could they be ratcheting?
Perfect	V-ing perfect
could I have ratcheted? could you have ratcheted? could she have ratcheted? could we have ratcheted? could you have ratcheted? could they have ratcheted?	could I have been ratcheting? could you have been ratcheting? could she have been ratcheting? could we have been ratcheting? could you have been ratcheting? could they have been ratcheting?

Interro-negative form

Simple form	V-ing form
couldn't I ratchet? couldn't you ratchet? couldn't she ratchet? couldn't we ratchet? couldn't you ratchet? couldn't they ratchet?	couldn't I be ratcheting? couldn't you be ratcheting? couldn't she be ratcheting? couldn't we be ratcheting? couldn't you be ratcheting? couldn't they be ratcheting?
Perfect	V-ing perfect
couldn't I have ratcheted? couldn't you have ratcheted? couldn't she have ratcheted? couldn't we have ratcheted? couldn't you have ratcheted? couldn't they have ratcheted?	couldn't I have been ratcheting? couldn't you have been ratcheting? couldn't she have been ratcheting? couldn't we have been ratcheting? couldn't you have been ratcheting? couldn't they have been ratcheting?