English verb conjugation COULD PREVALUE

Regular verb: prevalue - prevalued - prevalued

Affirmation

Simple form

I could prevalue
you could prevalue
he could prevalue
we could prevalue
you could prevalue
they could prevalue

V-ing form

I could be prevaluing
you could be prevaluing
he could be prevaluing
we could be prevaluing
you could be prevaluing
they could be prevaluing

Perfect

I could have prevalued
you could have prevalued
he could have prevalued
we could have prevalued
you could have prevalued
they could have prevalued

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prevalue?
could you prevalue?
could he prevalue?
could we prevalue?
could you prevalue?
could they prevalue?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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