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 cannot converse you cannot converse she cannot converse we cannot converse you cannot converse they cannot converse
V-ing form
I cannot be conversing you cannot be conversing she cannot be conversing we cannot be conversing you cannot be conversing they cannot be conversing
Perfect
I cannot have conversed you cannot have conversed she cannot have conversed we cannot have conversed you cannot have conversed they cannot have conversed
V-ing perfect
I cannot have been conversing you cannot have been conversing she cannot have been conversing we cannot have been conversing you cannot have been conversing they cannot 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 I not converse? can you not converse? can she not converse? can we not converse? can you not converse? can they not converse?
V-ing form
can I not be conversing? can you not be conversing? can she not be conversing? can we not be conversing? can you not be conversing? can they not be conversing?
Perfect
can I not have conversed? can you not have conversed? can she not have conversed? can we not have conversed? can you not have conversed? can they not have conversed?
V-ing perfect
can I not have been conversing? can you not have been conversing? can she not have been conversing? can we not have been conversing? can you not have been conversing? can they not have been conversing?