English verb conjugation COULD CLASH

Regular verb: clash - clashed - clashed

Affirmation

Simple form

I could clash
you could clash
he could clash
we could clash
you could clash
they could clash

V-ing form

I could be clashing
you could be clashing
he could be clashing
we could be clashing
you could be clashing
they could be clashing

Perfect

I could have clashed
you could have clashed
he could have clashed
we could have clashed
you could have clashed
they could have clashed

V-ing perfect

I could have been clashing
you could have been clashing
he could have been clashing
we could have been clashing
you could have been clashing
they could have been clashing

Negation

Simple form

I could not clash
you could not clash
he could not clash
we could not clash
you could not clash
they could not clash

V-ing form

I could not be clashing
you could not be clashing
he could not be clashing
we could not be clashing
you could not be clashing
they could not be clashing

Perfect

I could not have clashed
you could not have clashed
he could not have clashed
we could not have clashed
you could not have clashed
they could not have clashed

V-ing perfect

I could not have been clashing
you could not have been clashing
he could not have been clashing
we could not have been clashing
you could not have been clashing
they could not have been clashing

Interrogative form

Simple form

could I clash?
could you clash?
could he clash?
could we clash?
could you clash?
could they clash?

V-ing form

could I be clashing?
could you be clashing?
could he be clashing?
could we be clashing?
could you be clashing?
could they be clashing?

Perfect

could I have clashed?
could you have clashed?
could he have clashed?
could we have clashed?
could you have clashed?
could they have clashed?

V-ing perfect

could I have been clashing?
could you have been clashing?
could he have been clashing?
could we have been clashing?
could you have been clashing?
could they have been clashing?

Interro-negative form

Simple form

could I not clash?
could you not clash?
could he not clash?
could we not clash?
could you not clash?
could they not clash?

V-ing form

could I not be clashing?
could you not be clashing?
could he not be clashing?
could we not be clashing?
could you not be clashing?
could they not be clashing?

Perfect

could I not have clashed?
could you not have clashed?
could he not have clashed?
could we not have clashed?
could you not have clashed?
could they not have clashed?

V-ing perfect

could I not have been clashing?
could you not have been clashing?
could he not have been clashing?
could we not have been clashing?
could you not have been clashing?
could they not have been clashing?

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