English verb conjugation
COULD OBTURATE

Regular verb: obturate - obturated - obturated

Affirmation

Simple form	V-ing form
I could obturate you could obturate he could obturate we could obturate you could obturate they could obturate	I could be obturating you could be obturating he could be obturating we could be obturating you could be obturating they could be obturating
Perfect	V-ing perfect
I could have obturated you could have obturated he could have obturated we could have obturated you could have obturated they could have obturated	I could have been obturating you could have been obturating he could have been obturating we could have been obturating you could have been obturating they could have been obturating

Negation

Simple form	V-ing form
I could not obturate you could not obturate he could not obturate we could not obturate you could not obturate they could not obturate	I could not be obturating you could not be obturating he could not be obturating we could not be obturating you could not be obturating they could not be obturating
Perfect	V-ing perfect
I could not have obturated you could not have obturated he could not have obturated we could not have obturated you could not have obturated they could not have obturated	I could not have been obturating you could not have been obturating he could not have been obturating we could not have been obturating you could not have been obturating they could not have been obturating

Interrogative form

Simple form	V-ing form
could I obturate? could you obturate? could he obturate? could we obturate? could you obturate? could they obturate?	could I be obturating? could you be obturating? could he be obturating? could we be obturating? could you be obturating? could they be obturating?
Perfect	V-ing perfect
could I have obturated? could you have obturated? could he have obturated? could we have obturated? could you have obturated? could they have obturated?	could I have been obturating? could you have been obturating? could he have been obturating? could we have been obturating? could you have been obturating? could they have been obturating?

Interro-negative form

Simple form	V-ing form
could I not obturate? could you not obturate? could he not obturate? could we not obturate? could you not obturate? could they not obturate?	could I not be obturating? could you not be obturating? could he not be obturating? could we not be obturating? could you not be obturating? could they not be obturating?
Perfect	V-ing perfect
could I not have obturated? could you not have obturated? could he not have obturated? could we not have obturated? could you not have obturated? could they not have obturated?	could I not have been obturating? could you not have been obturating? could he not have been obturating? could we not have been obturating? could you not have been obturating? could they not have been obturating?