English verb conjugation
COULD SUPPURATE

Regular verb: suppurate - suppurated - suppurated

Affirmation

Simple form	V-ing form
I could suppurate you could suppurate she could suppurate we could suppurate you could suppurate they could suppurate	I could be suppurating you could be suppurating she could be suppurating we could be suppurating you could be suppurating they could be suppurating
Perfect	V-ing perfect
I could have suppurated you could have suppurated she could have suppurated we could have suppurated you could have suppurated they could have suppurated	I could have been suppurating you could have been suppurating she could have been suppurating we could have been suppurating you could have been suppurating they could have been suppurating

Negation

Simple form	V-ing form
I couldn't suppurate you couldn't suppurate she couldn't suppurate we couldn't suppurate you couldn't suppurate they couldn't suppurate	I couldn't be suppurating you couldn't be suppurating she couldn't be suppurating we couldn't be suppurating you couldn't be suppurating they couldn't be suppurating
Perfect	V-ing perfect
I couldn't have suppurated you couldn't have suppurated she couldn't have suppurated we couldn't have suppurated you couldn't have suppurated they couldn't have suppurated	I couldn't have been suppurating you couldn't have been suppurating she couldn't have been suppurating we couldn't have been suppurating you couldn't have been suppurating they couldn't have been suppurating

Interrogative form

Simple form	V-ing form
could I suppurate? could you suppurate? could she suppurate? could we suppurate? could you suppurate? could they suppurate?	could I be suppurating? could you be suppurating? could she be suppurating? could we be suppurating? could you be suppurating? could they be suppurating?
Perfect	V-ing perfect
could I have suppurated? could you have suppurated? could she have suppurated? could we have suppurated? could you have suppurated? could they have suppurated?	could I have been suppurating? could you have been suppurating? could she have been suppurating? could we have been suppurating? could you have been suppurating? could they have been suppurating?

Interro-negative form

Simple form	V-ing form
couldn't I suppurate? couldn't you suppurate? couldn't she suppurate? couldn't we suppurate? couldn't you suppurate? couldn't they suppurate?	couldn't I be suppurating? couldn't you be suppurating? couldn't she be suppurating? couldn't we be suppurating? couldn't you be suppurating? couldn't they be suppurating?
Perfect	V-ing perfect
couldn't I have suppurated? couldn't you have suppurated? couldn't she have suppurated? couldn't we have suppurated? couldn't you have suppurated? couldn't they have suppurated?	couldn't I have been suppurating? couldn't you have been suppurating? couldn't she have been suppurating? couldn't we have been suppurating? couldn't you have been suppurating? couldn't they have been suppurating?