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 can't disappear you can't disappear he can't disappear we can't disappear you can't disappear they can't disappear	I can't be disappearing you can't be disappearing he can't be disappearing we can't be disappearing you can't be disappearing they can't be disappearing
Perfect	V-ing perfect
I can't have disappeared you can't have disappeared he can't have disappeared we can't have disappeared you can't have disappeared they can't have disappeared	I can't have been disappearing you can't have been disappearing he can't have been disappearing we can't have been disappearing you can't have been disappearing they can't 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't I disappear? can't you disappear? can't he disappear? can't we disappear? can't you disappear? can't they disappear?	can't I be disappearing? can't you be disappearing? can't he be disappearing? can't we be disappearing? can't you be disappearing? can't they be disappearing?
Perfect	V-ing perfect
can't I have disappeared? can't you have disappeared? can't he have disappeared? can't we have disappeared? can't you have disappeared? can't they have disappeared?	can't I have been disappearing? can't you have been disappearing? can't he have been disappearing? can't we have been disappearing? can't you have been disappearing? can't they have been disappearing?