English verb conjugation
COULD REGURGITATE

Regular verb: regurgitate - regurgitated - regurgitated

Affirmation

Simple form	V-ing form
I could regurgitate you could regurgitate he could regurgitate we could regurgitate you could regurgitate they could regurgitate	I could be regurgitating you could be regurgitating he could be regurgitating we could be regurgitating you could be regurgitating they could be regurgitating
Perfect	V-ing perfect
I could have regurgitated you could have regurgitated he could have regurgitated we could have regurgitated you could have regurgitated they could have regurgitated	I could have been regurgitating you could have been regurgitating he could have been regurgitating we could have been regurgitating you could have been regurgitating they could have been regurgitating

Negation

Simple form	V-ing form
I couldn't regurgitate you couldn't regurgitate he couldn't regurgitate we couldn't regurgitate you couldn't regurgitate they couldn't regurgitate	I couldn't be regurgitating you couldn't be regurgitating he couldn't be regurgitating we couldn't be regurgitating you couldn't be regurgitating they couldn't be regurgitating
Perfect	V-ing perfect
I couldn't have regurgitated you couldn't have regurgitated he couldn't have regurgitated we couldn't have regurgitated you couldn't have regurgitated they couldn't have regurgitated	I couldn't have been regurgitating you couldn't have been regurgitating he couldn't have been regurgitating we couldn't have been regurgitating you couldn't have been regurgitating they couldn't have been regurgitating

Interrogative form

Simple form	V-ing form
could I regurgitate? could you regurgitate? could he regurgitate? could we regurgitate? could you regurgitate? could they regurgitate?	could I be regurgitating? could you be regurgitating? could he be regurgitating? could we be regurgitating? could you be regurgitating? could they be regurgitating?
Perfect	V-ing perfect
could I have regurgitated? could you have regurgitated? could he have regurgitated? could we have regurgitated? could you have regurgitated? could they have regurgitated?	could I have been regurgitating? could you have been regurgitating? could he have been regurgitating? could we have been regurgitating? could you have been regurgitating? could they have been regurgitating?

Interro-negative form

Simple form	V-ing form
couldn't I regurgitate? couldn't you regurgitate? couldn't he regurgitate? couldn't we regurgitate? couldn't you regurgitate? couldn't they regurgitate?	couldn't I be regurgitating? couldn't you be regurgitating? couldn't he be regurgitating? couldn't we be regurgitating? couldn't you be regurgitating? couldn't they be regurgitating?
Perfect	V-ing perfect
couldn't I have regurgitated? couldn't you have regurgitated? couldn't he have regurgitated? couldn't we have regurgitated? couldn't you have regurgitated? couldn't they have regurgitated?	couldn't I have been regurgitating? couldn't you have been regurgitating? couldn't he have been regurgitating? couldn't we have been regurgitating? couldn't you have been regurgitating? couldn't they have been regurgitating?