English verb conjugation
CAN PROTOCOL

Regular verb: protocol - protocoled - protocoled

Affirmation

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

Negation

Simple form	V-ing form
I can't protocol you can't protocol he can't protocol we can't protocol you can't protocol they can't protocol	I can't be protocoling you can't be protocoling he can't be protocoling we can't be protocoling you can't be protocoling they can't be protocoling
Perfect	V-ing perfect
I can't have protocoled you can't have protocoled he can't have protocoled we can't have protocoled you can't have protocoled they can't have protocoled	I can't have been protocoling you can't have been protocoling he can't have been protocoling we can't have been protocoling you can't have been protocoling they can't have been protocoling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I protocol? can't you protocol? can't he protocol? can't we protocol? can't you protocol? can't they protocol?	can't I be protocoling? can't you be protocoling? can't he be protocoling? can't we be protocoling? can't you be protocoling? can't they be protocoling?
Perfect	V-ing perfect
can't I have protocoled? can't you have protocoled? can't he have protocoled? can't we have protocoled? can't you have protocoled? can't they have protocoled?	can't I have been protocoling? can't you have been protocoling? can't he have been protocoling? can't we have been protocoling? can't you have been protocoling? can't they have been protocoling?