English verb conjugation COULD DISCERN

Regular verb: discern - discerned - discerned

Affirmation

Simple form

I could discern
you could discern
she could discern
we could discern
you could discern
they could discern

V-ing form

I could be discerning
you could be discerning
she could be discerning
we could be discerning
you could be discerning
they could be discerning

Perfect

I could have discerned
you could have discerned
she could have discerned
we could have discerned
you could have discerned
they could have discerned

V-ing perfect

I could have been discerning
you could have been discerning
she could have been discerning
we could have been discerning
you could have been discerning
they could have been discerning

Negation

Simple form

I couldn't discern
you couldn't discern
she couldn't discern
we couldn't discern
you couldn't discern
they couldn't discern

V-ing form

I couldn't be discerning
you couldn't be discerning
she couldn't be discerning
we couldn't be discerning
you couldn't be discerning
they couldn't be discerning

Perfect

I couldn't have discerned
you couldn't have discerned
she couldn't have discerned
we couldn't have discerned
you couldn't have discerned
they couldn't have discerned

V-ing perfect

I couldn't have been discerning
you couldn't have been discerning
she couldn't have been discerning
we couldn't have been discerning
you couldn't have been discerning
they couldn't have been discerning

Interrogative form

Simple form

could I discern?
could you discern?
could she discern?
could we discern?
could you discern?
could they discern?

V-ing form

could I be discerning?
could you be discerning?
could she be discerning?
could we be discerning?
could you be discerning?
could they be discerning?

Perfect

could I have discerned?
could you have discerned?
could she have discerned?
could we have discerned?
could you have discerned?
could they have discerned?

V-ing perfect

could I have been discerning?
could you have been discerning?
could she have been discerning?
could we have been discerning?
could you have been discerning?
could they have been discerning?

Interro-negative form

Simple form

couldn't I discern?
couldn't you discern?
couldn't she discern?
couldn't we discern?
couldn't you discern?
couldn't they discern?

V-ing form

couldn't I be discerning?
couldn't you be discerning?
couldn't she be discerning?
couldn't we be discerning?
couldn't you be discerning?
couldn't they be discerning?

Perfect

couldn't I have discerned?
couldn't you have discerned?
couldn't she have discerned?
couldn't we have discerned?
couldn't you have discerned?
couldn't they have discerned?

V-ing perfect

couldn't I have been discerning?
couldn't you have been discerning?
couldn't she have been discerning?
couldn't we have been discerning?
couldn't you have been discerning?
couldn't they have been discerning?

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