I can commune you can commune he can commune we can commune you can commune they can commune
V-ing form
I can be communing you can be communing he can be communing we can be communing you can be communing they can be communing
Perfect
I can have communed you can have communed he can have communed we can have communed you can have communed they can have communed
V-ing perfect
I can have been communing you can have been communing he can have been communing we can have been communing you can have been communing they can have been communing
Negation
Simple form
I can't commune you can't commune he can't commune we can't commune you can't commune they can't commune
V-ing form
I can't be communing you can't be communing he can't be communing we can't be communing you can't be communing they can't be communing
Perfect
I can't have communed you can't have communed he can't have communed we can't have communed you can't have communed they can't have communed
V-ing perfect
I can't have been communing you can't have been communing he can't have been communing we can't have been communing you can't have been communing they can't have been communing
Interrogative form
Simple form
can I commune? can you commune? can he commune? can we commune? can you commune? can they commune?
V-ing form
can I be communing? can you be communing? can he be communing? can we be communing? can you be communing? can they be communing?
Perfect
can I have communed? can you have communed? can he have communed? can we have communed? can you have communed? can they have communed?
V-ing perfect
can I have been communing? can you have been communing? can he have been communing? can we have been communing? can you have been communing? can they have been communing?
Interro-negative form
Simple form
can't I commune? can't you commune? can't he commune? can't we commune? can't you commune? can't they commune?
V-ing form
can't I be communing? can't you be communing? can't he be communing? can't we be communing? can't you be communing? can't they be communing?
Perfect
can't I have communed? can't you have communed? can't he have communed? can't we have communed? can't you have communed? can't they have communed?
V-ing perfect
can't I have been communing? can't you have been communing? can't he have been communing? can't we have been communing? can't you have been communing? can't they have been communing?