English verb conjugation
CAN JOINT

Regular verb: joint - jointed - jointed

Affirmation

Simple form	V-ing form
I can joint you can joint she can joint we can joint you can joint they can joint	I can be jointing you can be jointing she can be jointing we can be jointing you can be jointing they can be jointing
Perfect	V-ing perfect
I can have jointed you can have jointed she can have jointed we can have jointed you can have jointed they can have jointed	I can have been jointing you can have been jointing she can have been jointing we can have been jointing you can have been jointing they can have been jointing

Negation

Simple form	V-ing form
I cannot joint you cannot joint she cannot joint we cannot joint you cannot joint they cannot joint	I cannot be jointing you cannot be jointing she cannot be jointing we cannot be jointing you cannot be jointing they cannot be jointing
Perfect	V-ing perfect
I cannot have jointed you cannot have jointed she cannot have jointed we cannot have jointed you cannot have jointed they cannot have jointed	I cannot have been jointing you cannot have been jointing she cannot have been jointing we cannot have been jointing you cannot have been jointing they cannot have been jointing

Interrogative form

Simple form	V-ing form
can I joint? can you joint? can she joint? can we joint? can you joint? can they joint?	can I be jointing? can you be jointing? can she be jointing? can we be jointing? can you be jointing? can they be jointing?
Perfect	V-ing perfect
can I have jointed? can you have jointed? can she have jointed? can we have jointed? can you have jointed? can they have jointed?	can I have been jointing? can you have been jointing? can she have been jointing? can we have been jointing? can you have been jointing? can they have been jointing?

Interro-negative form

Simple form	V-ing form
can I not joint? can you not joint? can she not joint? can we not joint? can you not joint? can they not joint?	can I not be jointing? can you not be jointing? can she not be jointing? can we not be jointing? can you not be jointing? can they not be jointing?
Perfect	V-ing perfect
can I not have jointed? can you not have jointed? can she not have jointed? can we not have jointed? can you not have jointed? can they not have jointed?	can I not have been jointing? can you not have been jointing? can she not have been jointing? can we not have been jointing? can you not have been jointing? can they not have been jointing?