English verb conjugation
CAN DISAGREE

Regular verb: disagree - disagreed - disagreed

Affirmation

Simple form	V-ing form
I can disagree you can disagree she can disagree we can disagree you can disagree they can disagree	I can be disagreeing you can be disagreeing she can be disagreeing we can be disagreeing you can be disagreeing they can be disagreeing
Perfect	V-ing perfect
I can have disagreed you can have disagreed she can have disagreed we can have disagreed you can have disagreed they can have disagreed	I can have been disagreeing you can have been disagreeing she can have been disagreeing we can have been disagreeing you can have been disagreeing they can have been disagreeing

Negation

Simple form	V-ing form
I cannot disagree you cannot disagree she cannot disagree we cannot disagree you cannot disagree they cannot disagree	I cannot be disagreeing you cannot be disagreeing she cannot be disagreeing we cannot be disagreeing you cannot be disagreeing they cannot be disagreeing
Perfect	V-ing perfect
I cannot have disagreed you cannot have disagreed she cannot have disagreed we cannot have disagreed you cannot have disagreed they cannot have disagreed	I cannot have been disagreeing you cannot have been disagreeing she cannot have been disagreeing we cannot have been disagreeing you cannot have been disagreeing they cannot have been disagreeing

Interrogative form

Simple form	V-ing form
can I disagree? can you disagree? can she disagree? can we disagree? can you disagree? can they disagree?	can I be disagreeing? can you be disagreeing? can she be disagreeing? can we be disagreeing? can you be disagreeing? can they be disagreeing?
Perfect	V-ing perfect
can I have disagreed? can you have disagreed? can she have disagreed? can we have disagreed? can you have disagreed? can they have disagreed?	can I have been disagreeing? can you have been disagreeing? can she have been disagreeing? can we have been disagreeing? can you have been disagreeing? can they have been disagreeing?

Interro-negative form

Simple form	V-ing form
can I not disagree? can you not disagree? can she not disagree? can we not disagree? can you not disagree? can they not disagree?	can I not be disagreeing? can you not be disagreeing? can she not be disagreeing? can we not be disagreeing? can you not be disagreeing? can they not be disagreeing?
Perfect	V-ing perfect
can I not have disagreed? can you not have disagreed? can she not have disagreed? can we not have disagreed? can you not have disagreed? can they not have disagreed?	can I not have been disagreeing? can you not have been disagreeing? can she not have been disagreeing? can we not have been disagreeing? can you not have been disagreeing? can they not have been disagreeing?