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 can't disagree you can't disagree she can't disagree we can't disagree you can't disagree they can't disagree	I can't be disagreeing you can't be disagreeing she can't be disagreeing we can't be disagreeing you can't be disagreeing they can't be disagreeing
Perfect	V-ing perfect
I can't have disagreed you can't have disagreed she can't have disagreed we can't have disagreed you can't have disagreed they can't have disagreed	I can't have been disagreeing you can't have been disagreeing she can't have been disagreeing we can't have been disagreeing you can't have been disagreeing they can't 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't I disagree? can't you disagree? can't she disagree? can't we disagree? can't you disagree? can't they disagree?	can't I be disagreeing? can't you be disagreeing? can't she be disagreeing? can't we be disagreeing? can't you be disagreeing? can't they be disagreeing?
Perfect	V-ing perfect
can't I have disagreed? can't you have disagreed? can't she have disagreed? can't we have disagreed? can't you have disagreed? can't they have disagreed?	can't I have been disagreeing? can't you have been disagreeing? can't she have been disagreeing? can't we have been disagreeing? can't you have been disagreeing? can't they have been disagreeing?