I can encrypt you can encrypt he can encrypt we can encrypt you can encrypt they can encrypt
V-ing form
I can be encrypting you can be encrypting he can be encrypting we can be encrypting you can be encrypting they can be encrypting
Perfect
I can have encrypted you can have encrypted he can have encrypted we can have encrypted you can have encrypted they can have encrypted
V-ing perfect
I can have been encrypting you can have been encrypting he can have been encrypting we can have been encrypting you can have been encrypting they can have been encrypting
Negation
Simple form
I can't encrypt you can't encrypt he can't encrypt we can't encrypt you can't encrypt they can't encrypt
V-ing form
I can't be encrypting you can't be encrypting he can't be encrypting we can't be encrypting you can't be encrypting they can't be encrypting
Perfect
I can't have encrypted you can't have encrypted he can't have encrypted we can't have encrypted you can't have encrypted they can't have encrypted
V-ing perfect
I can't have been encrypting you can't have been encrypting he can't have been encrypting we can't have been encrypting you can't have been encrypting they can't have been encrypting
Interrogative form
Simple form
can I encrypt? can you encrypt? can he encrypt? can we encrypt? can you encrypt? can they encrypt?
V-ing form
can I be encrypting? can you be encrypting? can he be encrypting? can we be encrypting? can you be encrypting? can they be encrypting?
Perfect
can I have encrypted? can you have encrypted? can he have encrypted? can we have encrypted? can you have encrypted? can they have encrypted?
V-ing perfect
can I have been encrypting? can you have been encrypting? can he have been encrypting? can we have been encrypting? can you have been encrypting? can they have been encrypting?
Interro-negative form
Simple form
can't I encrypt? can't you encrypt? can't he encrypt? can't we encrypt? can't you encrypt? can't they encrypt?
V-ing form
can't I be encrypting? can't you be encrypting? can't he be encrypting? can't we be encrypting? can't you be encrypting? can't they be encrypting?
Perfect
can't I have encrypted? can't you have encrypted? can't he have encrypted? can't we have encrypted? can't you have encrypted? can't they have encrypted?
V-ing perfect
can't I have been encrypting? can't you have been encrypting? can't he have been encrypting? can't we have been encrypting? can't you have been encrypting? can't they have been encrypting?