English verb conjugation
CAN DISAPPOINT

Regular verb: disappoint - disappointed - disappointed

Affirmation

Simple form	V-ing form
I can disappoint you can disappoint she can disappoint we can disappoint you can disappoint they can disappoint	I can be disappointing you can be disappointing she can be disappointing we can be disappointing you can be disappointing they can be disappointing
Perfect	V-ing perfect
I can have disappointed you can have disappointed she can have disappointed we can have disappointed you can have disappointed they can have disappointed	I can have been disappointing you can have been disappointing she can have been disappointing we can have been disappointing you can have been disappointing they can have been disappointing

Negation

Simple form	V-ing form
I can't disappoint you can't disappoint she can't disappoint we can't disappoint you can't disappoint they can't disappoint	I can't be disappointing you can't be disappointing she can't be disappointing we can't be disappointing you can't be disappointing they can't be disappointing
Perfect	V-ing perfect
I can't have disappointed you can't have disappointed she can't have disappointed we can't have disappointed you can't have disappointed they can't have disappointed	I can't have been disappointing you can't have been disappointing she can't have been disappointing we can't have been disappointing you can't have been disappointing they can't have been disappointing

Interrogative form

Simple form	V-ing form
can I disappoint? can you disappoint? can she disappoint? can we disappoint? can you disappoint? can they disappoint?	can I be disappointing? can you be disappointing? can she be disappointing? can we be disappointing? can you be disappointing? can they be disappointing?
Perfect	V-ing perfect
can I have disappointed? can you have disappointed? can she have disappointed? can we have disappointed? can you have disappointed? can they have disappointed?	can I have been disappointing? can you have been disappointing? can she have been disappointing? can we have been disappointing? can you have been disappointing? can they have been disappointing?

Interro-negative form

Simple form	V-ing form
can't I disappoint? can't you disappoint? can't she disappoint? can't we disappoint? can't you disappoint? can't they disappoint?	can't I be disappointing? can't you be disappointing? can't she be disappointing? can't we be disappointing? can't you be disappointing? can't they be disappointing?
Perfect	V-ing perfect
can't I have disappointed? can't you have disappointed? can't she have disappointed? can't we have disappointed? can't you have disappointed? can't they have disappointed?	can't I have been disappointing? can't you have been disappointing? can't she have been disappointing? can't we have been disappointing? can't you have been disappointing? can't they have been disappointing?