I can converse you can converse she can converse we can converse you can converse they can converse
V-ing form
I can be conversing you can be conversing she can be conversing we can be conversing you can be conversing they can be conversing
Perfect
I can have conversed you can have conversed she can have conversed we can have conversed you can have conversed they can have conversed
V-ing perfect
I can have been conversing you can have been conversing she can have been conversing we can have been conversing you can have been conversing they can have been conversing
Negation
Simple form
I can't converse you can't converse she can't converse we can't converse you can't converse they can't converse
V-ing form
I can't be conversing you can't be conversing she can't be conversing we can't be conversing you can't be conversing they can't be conversing
Perfect
I can't have conversed you can't have conversed she can't have conversed we can't have conversed you can't have conversed they can't have conversed
V-ing perfect
I can't have been conversing you can't have been conversing she can't have been conversing we can't have been conversing you can't have been conversing they can't have been conversing
Interrogative form
Simple form
can I converse? can you converse? can she converse? can we converse? can you converse? can they converse?
V-ing form
can I be conversing? can you be conversing? can she be conversing? can we be conversing? can you be conversing? can they be conversing?
Perfect
can I have conversed? can you have conversed? can she have conversed? can we have conversed? can you have conversed? can they have conversed?
V-ing perfect
can I have been conversing? can you have been conversing? can she have been conversing? can we have been conversing? can you have been conversing? can they have been conversing?
Interro-negative form
Simple form
can't I converse? can't you converse? can't she converse? can't we converse? can't you converse? can't they converse?
V-ing form
can't I be conversing? can't you be conversing? can't she be conversing? can't we be conversing? can't you be conversing? can't they be conversing?
Perfect
can't I have conversed? can't you have conversed? can't she have conversed? can't we have conversed? can't you have conversed? can't they have conversed?
V-ing perfect
can't I have been conversing? can't you have been conversing? can't she have been conversing? can't we have been conversing? can't you have been conversing? can't they have been conversing?