English verb conjugation
CAN PROTRACT

Regular verb: protract - protracted - protracted

Affirmation

Simple form	V-ing form
I can protract you can protract she can protract we can protract you can protract they can protract	I can be protracting you can be protracting she can be protracting we can be protracting you can be protracting they can be protracting
Perfect	V-ing perfect
I can have protracted you can have protracted she can have protracted we can have protracted you can have protracted they can have protracted	I can have been protracting you can have been protracting she can have been protracting we can have been protracting you can have been protracting they can have been protracting

Negation

Simple form	V-ing form
I cannot protract you cannot protract she cannot protract we cannot protract you cannot protract they cannot protract	I cannot be protracting you cannot be protracting she cannot be protracting we cannot be protracting you cannot be protracting they cannot be protracting
Perfect	V-ing perfect
I cannot have protracted you cannot have protracted she cannot have protracted we cannot have protracted you cannot have protracted they cannot have protracted	I cannot have been protracting you cannot have been protracting she cannot have been protracting we cannot have been protracting you cannot have been protracting they cannot have been protracting

Interrogative form

Simple form	V-ing form
can I protract? can you protract? can she protract? can we protract? can you protract? can they protract?	can I be protracting? can you be protracting? can she be protracting? can we be protracting? can you be protracting? can they be protracting?
Perfect	V-ing perfect
can I have protracted? can you have protracted? can she have protracted? can we have protracted? can you have protracted? can they have protracted?	can I have been protracting? can you have been protracting? can she have been protracting? can we have been protracting? can you have been protracting? can they have been protracting?

Interro-negative form

Simple form	V-ing form
can I not protract? can you not protract? can she not protract? can we not protract? can you not protract? can they not protract?	can I not be protracting? can you not be protracting? can she not be protracting? can we not be protracting? can you not be protracting? can they not be protracting?
Perfect	V-ing perfect
can I not have protracted? can you not have protracted? can she not have protracted? can we not have protracted? can you not have protracted? can they not have protracted?	can I not have been protracting? can you not have been protracting? can she not have been protracting? can we not have been protracting? can you not have been protracting? can they not have been protracting?