English verb conjugation
COULD PROTOCOL

Regular verb: protocol - protocoled - protocoled

Affirmation

Simple form	V-ing form
I could protocol you could protocol he could protocol we could protocol you could protocol they could protocol	I could be protocoling you could be protocoling he could be protocoling we could be protocoling you could be protocoling they could be protocoling
Perfect	V-ing perfect
I could have protocoled you could have protocoled he could have protocoled we could have protocoled you could have protocoled they could have protocoled	I could have been protocoling you could have been protocoling he could have been protocoling we could have been protocoling you could have been protocoling they could have been protocoling

Negation

Simple form	V-ing form
I could not protocol you could not protocol he could not protocol we could not protocol you could not protocol they could not protocol	I could not be protocoling you could not be protocoling he could not be protocoling we could not be protocoling you could not be protocoling they could not be protocoling
Perfect	V-ing perfect
I could not have protocoled you could not have protocoled he could not have protocoled we could not have protocoled you could not have protocoled they could not have protocoled	I could not have been protocoling you could not have been protocoling he could not have been protocoling we could not have been protocoling you could not have been protocoling they could not have been protocoling

Interrogative form

Simple form	V-ing form
could I protocol? could you protocol? could he protocol? could we protocol? could you protocol? could they protocol?	could I be protocoling? could you be protocoling? could he be protocoling? could we be protocoling? could you be protocoling? could they be protocoling?
Perfect	V-ing perfect
could I have protocoled? could you have protocoled? could he have protocoled? could we have protocoled? could you have protocoled? could they have protocoled?	could I have been protocoling? could you have been protocoling? could he have been protocoling? could we have been protocoling? could you have been protocoling? could they have been protocoling?

Interro-negative form

Simple form	V-ing form
could I not protocol? could you not protocol? could he not protocol? could we not protocol? could you not protocol? could they not protocol?	could I not be protocoling? could you not be protocoling? could he not be protocoling? could we not be protocoling? could you not be protocoling? could they not be protocoling?
Perfect	V-ing perfect
could I not have protocoled? could you not have protocoled? could he not have protocoled? could we not have protocoled? could you not have protocoled? could they not have protocoled?	could I not have been protocoling? could you not have been protocoling? could he not have been protocoling? could we not have been protocoling? could you not have been protocoling? could they not have been protocoling?