male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD SIN
Regular verb: sin - sinned - sinned
Affirmation
Simple form
I could sinyou could sin
she could sin
we could sin
you could sin
they could sin
V-ing form
I could be sinningyou could be sinning
she could be sinning
we could be sinning
you could be sinning
they could be sinning
Perfect
I could have sinnedyou could have sinned
she could have sinned
we could have sinned
you could have sinned
they could have sinned
V-ing perfect
I could have been sinningyou could have been sinning
she could have been sinning
we could have been sinning
you could have been sinning
they could have been sinning
Negation
Simple form
I couldn't sinyou couldn't sin
she couldn't sin
we couldn't sin
you couldn't sin
they couldn't sin
V-ing form
I couldn't be sinningyou couldn't be sinning
she couldn't be sinning
we couldn't be sinning
you couldn't be sinning
they couldn't be sinning
Perfect
I couldn't have sinnedyou couldn't have sinned
she couldn't have sinned
we couldn't have sinned
you couldn't have sinned
they couldn't have sinned
V-ing perfect
I couldn't have been sinningyou couldn't have been sinning
she couldn't have been sinning
we couldn't have been sinning
you couldn't have been sinning
they couldn't have been sinning
Interrogative form
Simple form
could I sin?could you sin?
could she sin?
could we sin?
could you sin?
could they sin?
V-ing form
could I be sinning?could you be sinning?
could she be sinning?
could we be sinning?
could you be sinning?
could they be sinning?
Perfect
could I have sinned?could you have sinned?
could she have sinned?
could we have sinned?
could you have sinned?
could they have sinned?
V-ing perfect
could I have been sinning?could you have been sinning?
could she have been sinning?
could we have been sinning?
could you have been sinning?
could they have been sinning?
Interro-negative form
Simple form
couldn't I sin?couldn't you sin?
couldn't she sin?
couldn't we sin?
couldn't you sin?
couldn't they sin?
V-ing form
couldn't I be sinning?couldn't you be sinning?
couldn't she be sinning?
couldn't we be sinning?
couldn't you be sinning?
couldn't they be sinning?
Perfect
couldn't I have sinned?couldn't you have sinned?
couldn't she have sinned?
couldn't we have sinned?
couldn't you have sinned?
couldn't they have sinned?
V-ing perfect
couldn't I have been sinning?couldn't you have been sinning?
couldn't she have been sinning?
couldn't we have been sinning?
couldn't you have been sinning?
couldn't they have been sinning?