I can chitchat you can chitchat she can chitchat we can chitchat you can chitchat they can chitchat
V-ing form
I can be chitchating you can be chitchating she can be chitchating we can be chitchating you can be chitchating they can be chitchating
Perfect
I can have chitchated you can have chitchated she can have chitchated we can have chitchated you can have chitchated they can have chitchated
V-ing perfect
I can have been chitchating you can have been chitchating she can have been chitchating we can have been chitchating you can have been chitchating they can have been chitchating
Negation
Simple form
I cannot chitchat you cannot chitchat she cannot chitchat we cannot chitchat you cannot chitchat they cannot chitchat
V-ing form
I cannot be chitchating you cannot be chitchating she cannot be chitchating we cannot be chitchating you cannot be chitchating they cannot be chitchating
Perfect
I cannot have chitchated you cannot have chitchated she cannot have chitchated we cannot have chitchated you cannot have chitchated they cannot have chitchated
V-ing perfect
I cannot have been chitchating you cannot have been chitchating she cannot have been chitchating we cannot have been chitchating you cannot have been chitchating they cannot have been chitchating
Interrogative form
Simple form
can I chitchat? can you chitchat? can she chitchat? can we chitchat? can you chitchat? can they chitchat?
V-ing form
can I be chitchating? can you be chitchating? can she be chitchating? can we be chitchating? can you be chitchating? can they be chitchating?
Perfect
can I have chitchated? can you have chitchated? can she have chitchated? can we have chitchated? can you have chitchated? can they have chitchated?
V-ing perfect
can I have been chitchating? can you have been chitchating? can she have been chitchating? can we have been chitchating? can you have been chitchating? can they have been chitchating?
Interro-negative form
Simple form
can I not chitchat? can you not chitchat? can she not chitchat? can we not chitchat? can you not chitchat? can they not chitchat?
V-ing form
can I not be chitchating? can you not be chitchating? can she not be chitchating? can we not be chitchating? can you not be chitchating? can they not be chitchating?
Perfect
can I not have chitchated? can you not have chitchated? can she not have chitchated? can we not have chitchated? can you not have chitchated? can they not have chitchated?
V-ing perfect
can I not have been chitchating? can you not have been chitchating? can she not have been chitchating? can we not have been chitchating? can you not have been chitchating? can they not have been chitchating?