English verb conjugation
COULD GESTURE

Regular verb: gesture - gestured - gestured

Affirmation

Simple form	V-ing form
I could gesture you could gesture he could gesture we could gesture you could gesture they could gesture	I could be gesturing you could be gesturing he could be gesturing we could be gesturing you could be gesturing they could be gesturing
Perfect	V-ing perfect
I could have gestured you could have gestured he could have gestured we could have gestured you could have gestured they could have gestured	I could have been gesturing you could have been gesturing he could have been gesturing we could have been gesturing you could have been gesturing they could have been gesturing

Negation

Simple form	V-ing form
I could not gesture you could not gesture he could not gesture we could not gesture you could not gesture they could not gesture	I could not be gesturing you could not be gesturing he could not be gesturing we could not be gesturing you could not be gesturing they could not be gesturing
Perfect	V-ing perfect
I could not have gestured you could not have gestured he could not have gestured we could not have gestured you could not have gestured they could not have gestured	I could not have been gesturing you could not have been gesturing he could not have been gesturing we could not have been gesturing you could not have been gesturing they could not have been gesturing

Interrogative form

Simple form	V-ing form
could I gesture? could you gesture? could he gesture? could we gesture? could you gesture? could they gesture?	could I be gesturing? could you be gesturing? could he be gesturing? could we be gesturing? could you be gesturing? could they be gesturing?
Perfect	V-ing perfect
could I have gestured? could you have gestured? could he have gestured? could we have gestured? could you have gestured? could they have gestured?	could I have been gesturing? could you have been gesturing? could he have been gesturing? could we have been gesturing? could you have been gesturing? could they have been gesturing?

Interro-negative form

Simple form	V-ing form
could I not gesture? could you not gesture? could he not gesture? could we not gesture? could you not gesture? could they not gesture?	could I not be gesturing? could you not be gesturing? could he not be gesturing? could we not be gesturing? could you not be gesturing? could they not be gesturing?
Perfect	V-ing perfect
could I not have gestured? could you not have gestured? could he not have gestured? could we not have gestured? could you not have gestured? could they not have gestured?	could I not have been gesturing? could you not have been gesturing? could he not have been gesturing? could we not have been gesturing? could you not have been gesturing? could they not have been gesturing?