I can regurgitate you can regurgitate she can regurgitate we can regurgitate you can regurgitate they can regurgitate
V-ing form
I can be regurgitating you can be regurgitating she can be regurgitating we can be regurgitating you can be regurgitating they can be regurgitating
Perfect
I can have regurgitated you can have regurgitated she can have regurgitated we can have regurgitated you can have regurgitated they can have regurgitated
V-ing perfect
I can have been regurgitating you can have been regurgitating she can have been regurgitating we can have been regurgitating you can have been regurgitating they can have been regurgitating
Negation
Simple form
I can't regurgitate you can't regurgitate she can't regurgitate we can't regurgitate you can't regurgitate they can't regurgitate
V-ing form
I can't be regurgitating you can't be regurgitating she can't be regurgitating we can't be regurgitating you can't be regurgitating they can't be regurgitating
Perfect
I can't have regurgitated you can't have regurgitated she can't have regurgitated we can't have regurgitated you can't have regurgitated they can't have regurgitated
V-ing perfect
I can't have been regurgitating you can't have been regurgitating she can't have been regurgitating we can't have been regurgitating you can't have been regurgitating they can't have been regurgitating
Interrogative form
Simple form
can I regurgitate? can you regurgitate? can she regurgitate? can we regurgitate? can you regurgitate? can they regurgitate?
V-ing form
can I be regurgitating? can you be regurgitating? can she be regurgitating? can we be regurgitating? can you be regurgitating? can they be regurgitating?
Perfect
can I have regurgitated? can you have regurgitated? can she have regurgitated? can we have regurgitated? can you have regurgitated? can they have regurgitated?
V-ing perfect
can I have been regurgitating? can you have been regurgitating? can she have been regurgitating? can we have been regurgitating? can you have been regurgitating? can they have been regurgitating?
Interro-negative form
Simple form
can't I regurgitate? can't you regurgitate? can't she regurgitate? can't we regurgitate? can't you regurgitate? can't they regurgitate?
V-ing form
can't I be regurgitating? can't you be regurgitating? can't she be regurgitating? can't we be regurgitating? can't you be regurgitating? can't they be regurgitating?
Perfect
can't I have regurgitated? can't you have regurgitated? can't she have regurgitated? can't we have regurgitated? can't you have regurgitated? can't they have regurgitated?
V-ing perfect
can't I have been regurgitating? can't you have been regurgitating? can't she have been regurgitating? can't we have been regurgitating? can't you have been regurgitating? can't they have been regurgitating?