I can organize you can organize he can organize we can organize you can organize they can organize
V-ing form
I can be organizing you can be organizing he can be organizing we can be organizing you can be organizing they can be organizing
Perfect
I can have organized you can have organized he can have organized we can have organized you can have organized they can have organized
V-ing perfect
I can have been organizing you can have been organizing he can have been organizing we can have been organizing you can have been organizing they can have been organizing
Negation
Simple form
I can't organize you can't organize he can't organize we can't organize you can't organize they can't organize
V-ing form
I can't be organizing you can't be organizing he can't be organizing we can't be organizing you can't be organizing they can't be organizing
Perfect
I can't have organized you can't have organized he can't have organized we can't have organized you can't have organized they can't have organized
V-ing perfect
I can't have been organizing you can't have been organizing he can't have been organizing we can't have been organizing you can't have been organizing they can't have been organizing
Interrogative form
Simple form
can I organize? can you organize? can he organize? can we organize? can you organize? can they organize?
V-ing form
can I be organizing? can you be organizing? can he be organizing? can we be organizing? can you be organizing? can they be organizing?
Perfect
can I have organized? can you have organized? can he have organized? can we have organized? can you have organized? can they have organized?
V-ing perfect
can I have been organizing? can you have been organizing? can he have been organizing? can we have been organizing? can you have been organizing? can they have been organizing?
Interro-negative form
Simple form
can't I organize? can't you organize? can't he organize? can't we organize? can't you organize? can't they organize?
V-ing form
can't I be organizing? can't you be organizing? can't he be organizing? can't we be organizing? can't you be organizing? can't they be organizing?
Perfect
can't I have organized? can't you have organized? can't he have organized? can't we have organized? can't you have organized? can't they have organized?
V-ing perfect
can't I have been organizing? can't you have been organizing? can't he have been organizing? can't we have been organizing? can't you have been organizing? can't they have been organizing?