English verb conjugation COULD PRECESS

Regular verb: precess - precessed - precessed

Affirmation

Simple form

I could precess
you could precess
he could precess
we could precess
you could precess
they could precess

V-ing form

I could be precessing
you could be precessing
he could be precessing
we could be precessing
you could be precessing
they could be precessing

Perfect

I could have precessed
you could have precessed
he could have precessed
we could have precessed
you could have precessed
they could have precessed

V-ing perfect

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

Negation

Simple form

I couldn't precess
you couldn't precess
he couldn't precess
we couldn't precess
you couldn't precess
they couldn't precess

V-ing form

I couldn't be precessing
you couldn't be precessing
he couldn't be precessing
we couldn't be precessing
you couldn't be precessing
they couldn't be precessing

Perfect

I couldn't have precessed
you couldn't have precessed
he couldn't have precessed
we couldn't have precessed
you couldn't have precessed
they couldn't have precessed

V-ing perfect

I couldn't have been precessing
you couldn't have been precessing
he couldn't have been precessing
we couldn't have been precessing
you couldn't have been precessing
they couldn't have been precessing

Interrogative form

Simple form

could I precess?
could you precess?
could he precess?
could we precess?
could you precess?
could they precess?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I precess?
couldn't you precess?
couldn't he precess?
couldn't we precess?
couldn't you precess?
couldn't they precess?

V-ing form

couldn't I be precessing?
couldn't you be precessing?
couldn't he be precessing?
couldn't we be precessing?
couldn't you be precessing?
couldn't they be precessing?

Perfect

couldn't I have precessed?
couldn't you have precessed?
couldn't he have precessed?
couldn't we have precessed?
couldn't you have precessed?
couldn't they have precessed?

V-ing perfect

couldn't I have been precessing?
couldn't you have been precessing?
couldn't he have been precessing?
couldn't we have been precessing?
couldn't you have been precessing?
couldn't they have been precessing?

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