male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD RIVET
Regular verb: rivet - riveted - riveted
Affirmation
Simple form
I could rivetyou could rivet
she could rivet
we could rivet
you could rivet
they could rivet
V-ing form
I could be rivetingyou could be riveting
she could be riveting
we could be riveting
you could be riveting
they could be riveting
Perfect
I could have rivetedyou could have riveted
she could have riveted
we could have riveted
you could have riveted
they could have riveted
V-ing perfect
I could have been rivetingyou could have been riveting
she could have been riveting
we could have been riveting
you could have been riveting
they could have been riveting
Negation
Simple form
I could not rivetyou could not rivet
she could not rivet
we could not rivet
you could not rivet
they could not rivet
V-ing form
I could not be rivetingyou could not be riveting
she could not be riveting
we could not be riveting
you could not be riveting
they could not be riveting
Perfect
I could not have rivetedyou could not have riveted
she could not have riveted
we could not have riveted
you could not have riveted
they could not have riveted
V-ing perfect
I could not have been rivetingyou could not have been riveting
she could not have been riveting
we could not have been riveting
you could not have been riveting
they could not have been riveting
Interrogative form
Simple form
could I rivet?could you rivet?
could she rivet?
could we rivet?
could you rivet?
could they rivet?
V-ing form
could I be riveting?could you be riveting?
could she be riveting?
could we be riveting?
could you be riveting?
could they be riveting?
Perfect
could I have riveted?could you have riveted?
could she have riveted?
could we have riveted?
could you have riveted?
could they have riveted?
V-ing perfect
could I have been riveting?could you have been riveting?
could she have been riveting?
could we have been riveting?
could you have been riveting?
could they have been riveting?
Interro-negative form
Simple form
could I not rivet?could you not rivet?
could she not rivet?
could we not rivet?
could you not rivet?
could they not rivet?
V-ing form
could I not be riveting?could you not be riveting?
could she not be riveting?
could we not be riveting?
could you not be riveting?
could they not be riveting?
Perfect
could I not have riveted?could you not have riveted?
could she not have riveted?
could we not have riveted?
could you not have riveted?
could they not have riveted?
V-ing perfect
could I not have been riveting?could you not have been riveting?
could she not have been riveting?
could we not have been riveting?
could you not have been riveting?
could they not have been riveting?