English verb conjugation
CAN DISAPPEAR

Regular verb: disappear - disappeared - disappeared

Affirmation

Simple form	V-ing form
I can disappear you can disappear he can disappear we can disappear you can disappear they can disappear	I can be disappearing you can be disappearing he can be disappearing we can be disappearing you can be disappearing they can be disappearing
Perfect	V-ing perfect
I can have disappeared you can have disappeared he can have disappeared we can have disappeared you can have disappeared they can have disappeared	I can have been disappearing you can have been disappearing he can have been disappearing we can have been disappearing you can have been disappearing they can have been disappearing

Negation

Simple form	V-ing form
I cannot disappear you cannot disappear he cannot disappear we cannot disappear you cannot disappear they cannot disappear	I cannot be disappearing you cannot be disappearing he cannot be disappearing we cannot be disappearing you cannot be disappearing they cannot be disappearing
Perfect	V-ing perfect
I cannot have disappeared you cannot have disappeared he cannot have disappeared we cannot have disappeared you cannot have disappeared they cannot have disappeared	I cannot have been disappearing you cannot have been disappearing he cannot have been disappearing we cannot have been disappearing you cannot have been disappearing they cannot have been disappearing

Interrogative form

Simple form	V-ing form
can I disappear? can you disappear? can he disappear? can we disappear? can you disappear? can they disappear?	can I be disappearing? can you be disappearing? can he be disappearing? can we be disappearing? can you be disappearing? can they be disappearing?
Perfect	V-ing perfect
can I have disappeared? can you have disappeared? can he have disappeared? can we have disappeared? can you have disappeared? can they have disappeared?	can I have been disappearing? can you have been disappearing? can he have been disappearing? can we have been disappearing? can you have been disappearing? can they have been disappearing?

Interro-negative form

Simple form	V-ing form
can I not disappear? can you not disappear? can he not disappear? can we not disappear? can you not disappear? can they not disappear?	can I not be disappearing? can you not be disappearing? can he not be disappearing? can we not be disappearing? can you not be disappearing? can they not be disappearing?
Perfect	V-ing perfect
can I not have disappeared? can you not have disappeared? can he not have disappeared? can we not have disappeared? can you not have disappeared? can they not have disappeared?	can I not have been disappearing? can you not have been disappearing? can he not have been disappearing? can we not have been disappearing? can you not have been disappearing? can they not have been disappearing?