male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD CLATTER
Regular verb: clatter - clattered - clattered
Affirmation
Simple form
I could clatteryou could clatter
she could clatter
we could clatter
you could clatter
they could clatter
V-ing form
I could be clatteringyou could be clattering
she could be clattering
we could be clattering
you could be clattering
they could be clattering
Perfect
I could have clatteredyou could have clattered
she could have clattered
we could have clattered
you could have clattered
they could have clattered
V-ing perfect
I could have been clatteringyou could have been clattering
she could have been clattering
we could have been clattering
you could have been clattering
they could have been clattering
Negation
Simple form
I could not clatteryou could not clatter
she could not clatter
we could not clatter
you could not clatter
they could not clatter
V-ing form
I could not be clatteringyou could not be clattering
she could not be clattering
we could not be clattering
you could not be clattering
they could not be clattering
Perfect
I could not have clatteredyou could not have clattered
she could not have clattered
we could not have clattered
you could not have clattered
they could not have clattered
V-ing perfect
I could not have been clatteringyou could not have been clattering
she could not have been clattering
we could not have been clattering
you could not have been clattering
they could not have been clattering
Interrogative form
Simple form
could I clatter?could you clatter?
could she clatter?
could we clatter?
could you clatter?
could they clatter?
V-ing form
could I be clattering?could you be clattering?
could she be clattering?
could we be clattering?
could you be clattering?
could they be clattering?
Perfect
could I have clattered?could you have clattered?
could she have clattered?
could we have clattered?
could you have clattered?
could they have clattered?
V-ing perfect
could I have been clattering?could you have been clattering?
could she have been clattering?
could we have been clattering?
could you have been clattering?
could they have been clattering?
Interro-negative form
Simple form
could I not clatter?could you not clatter?
could she not clatter?
could we not clatter?
could you not clatter?
could they not clatter?
V-ing form
could I not be clattering?could you not be clattering?
could she not be clattering?
could we not be clattering?
could you not be clattering?
could they not be clattering?
Perfect
could I not have clattered?could you not have clattered?
could she not have clattered?
could we not have clattered?
could you not have clattered?
could they not have clattered?
V-ing perfect
could I not have been clattering?could you not have been clattering?
could she not have been clattering?
could we not have been clattering?
could you not have been clattering?
could they not have been clattering?