English verb conjugation
COULD UNBOTTLE

Regular verb: unbottle - unbottled - unbottled

Affirmation

Simple form	V-ing form
I could unbottle you could unbottle he could unbottle we could unbottle you could unbottle they could unbottle	I could be unbottling you could be unbottling he could be unbottling we could be unbottling you could be unbottling they could be unbottling
Perfect	V-ing perfect
I could have unbottled you could have unbottled he could have unbottled we could have unbottled you could have unbottled they could have unbottled	I could have been unbottling you could have been unbottling he could have been unbottling we could have been unbottling you could have been unbottling they could have been unbottling

Negation

Simple form	V-ing form
I couldn't unbottle you couldn't unbottle he couldn't unbottle we couldn't unbottle you couldn't unbottle they couldn't unbottle	I couldn't be unbottling you couldn't be unbottling he couldn't be unbottling we couldn't be unbottling you couldn't be unbottling they couldn't be unbottling
Perfect	V-ing perfect
I couldn't have unbottled you couldn't have unbottled he couldn't have unbottled we couldn't have unbottled you couldn't have unbottled they couldn't have unbottled	I couldn't have been unbottling you couldn't have been unbottling he couldn't have been unbottling we couldn't have been unbottling you couldn't have been unbottling they couldn't have been unbottling

Interrogative form

Simple form	V-ing form
could I unbottle? could you unbottle? could he unbottle? could we unbottle? could you unbottle? could they unbottle?	could I be unbottling? could you be unbottling? could he be unbottling? could we be unbottling? could you be unbottling? could they be unbottling?
Perfect	V-ing perfect
could I have unbottled? could you have unbottled? could he have unbottled? could we have unbottled? could you have unbottled? could they have unbottled?	could I have been unbottling? could you have been unbottling? could he have been unbottling? could we have been unbottling? could you have been unbottling? could they have been unbottling?

Interro-negative form

Simple form	V-ing form
couldn't I unbottle? couldn't you unbottle? couldn't he unbottle? couldn't we unbottle? couldn't you unbottle? couldn't they unbottle?	couldn't I be unbottling? couldn't you be unbottling? couldn't he be unbottling? couldn't we be unbottling? couldn't you be unbottling? couldn't they be unbottling?
Perfect	V-ing perfect
couldn't I have unbottled? couldn't you have unbottled? couldn't he have unbottled? couldn't we have unbottled? couldn't you have unbottled? couldn't they have unbottled?	couldn't I have been unbottling? couldn't you have been unbottling? couldn't he have been unbottling? couldn't we have been unbottling? couldn't you have been unbottling? couldn't they have been unbottling?