I can externalize you can externalize he can externalize we can externalize you can externalize they can externalize
V-ing form
I can be externalizing you can be externalizing he can be externalizing we can be externalizing you can be externalizing they can be externalizing
Perfect
I can have externalized you can have externalized he can have externalized we can have externalized you can have externalized they can have externalized
V-ing perfect
I can have been externalizing you can have been externalizing he can have been externalizing we can have been externalizing you can have been externalizing they can have been externalizing
Negation
Simple form
I cannot externalize you cannot externalize he cannot externalize we cannot externalize you cannot externalize they cannot externalize
V-ing form
I cannot be externalizing you cannot be externalizing he cannot be externalizing we cannot be externalizing you cannot be externalizing they cannot be externalizing
Perfect
I cannot have externalized you cannot have externalized he cannot have externalized we cannot have externalized you cannot have externalized they cannot have externalized
V-ing perfect
I cannot have been externalizing you cannot have been externalizing he cannot have been externalizing we cannot have been externalizing you cannot have been externalizing they cannot have been externalizing
Interrogative form
Simple form
can I externalize? can you externalize? can he externalize? can we externalize? can you externalize? can they externalize?
V-ing form
can I be externalizing? can you be externalizing? can he be externalizing? can we be externalizing? can you be externalizing? can they be externalizing?
Perfect
can I have externalized? can you have externalized? can he have externalized? can we have externalized? can you have externalized? can they have externalized?
V-ing perfect
can I have been externalizing? can you have been externalizing? can he have been externalizing? can we have been externalizing? can you have been externalizing? can they have been externalizing?
Interro-negative form
Simple form
can I not externalize? can you not externalize? can he not externalize? can we not externalize? can you not externalize? can they not externalize?
V-ing form
can I not be externalizing? can you not be externalizing? can he not be externalizing? can we not be externalizing? can you not be externalizing? can they not be externalizing?
Perfect
can I not have externalized? can you not have externalized? can he not have externalized? can we not have externalized? can you not have externalized? can they not have externalized?
V-ing perfect
can I not have been externalizing? can you not have been externalizing? can he not have been externalizing? can we not have been externalizing? can you not have been externalizing? can they not have been externalizing?