English verb conjugation
COULD TEETER

Regular verb: teeter - teetered - teetered

Affirmation

Simple form	V-ing form
I could teeter you could teeter she could teeter we could teeter you could teeter they could teeter	I could be teetering you could be teetering she could be teetering we could be teetering you could be teetering they could be teetering
Perfect	V-ing perfect
I could have teetered you could have teetered she could have teetered we could have teetered you could have teetered they could have teetered	I could have been teetering you could have been teetering she could have been teetering we could have been teetering you could have been teetering they could have been teetering

Negation

Simple form	V-ing form
I could not teeter you could not teeter she could not teeter we could not teeter you could not teeter they could not teeter	I could not be teetering you could not be teetering she could not be teetering we could not be teetering you could not be teetering they could not be teetering
Perfect	V-ing perfect
I could not have teetered you could not have teetered she could not have teetered we could not have teetered you could not have teetered they could not have teetered	I could not have been teetering you could not have been teetering she could not have been teetering we could not have been teetering you could not have been teetering they could not have been teetering

Interrogative form

Simple form	V-ing form
could I teeter? could you teeter? could she teeter? could we teeter? could you teeter? could they teeter?	could I be teetering? could you be teetering? could she be teetering? could we be teetering? could you be teetering? could they be teetering?
Perfect	V-ing perfect
could I have teetered? could you have teetered? could she have teetered? could we have teetered? could you have teetered? could they have teetered?	could I have been teetering? could you have been teetering? could she have been teetering? could we have been teetering? could you have been teetering? could they have been teetering?

Interro-negative form

Simple form	V-ing form
could I not teeter? could you not teeter? could she not teeter? could we not teeter? could you not teeter? could they not teeter?	could I not be teetering? could you not be teetering? could she not be teetering? could we not be teetering? could you not be teetering? could they not be teetering?
Perfect	V-ing perfect
could I not have teetered? could you not have teetered? could she not have teetered? could we not have teetered? could you not have teetered? could they not have teetered?	could I not have been teetering? could you not have been teetering? could she not have been teetering? could we not have been teetering? could you not have been teetering? could they not have been teetering?