English verb conjugation COULD DIMINISH

Regular verb: diminish - diminished - diminished

Affirmation

Simple form

I could diminish
you could diminish
he could diminish
we could diminish
you could diminish
they could diminish

V-ing form

I could be diminishing
you could be diminishing
he could be diminishing
we could be diminishing
you could be diminishing
they could be diminishing

Perfect

I could have diminished
you could have diminished
he could have diminished
we could have diminished
you could have diminished
they could have diminished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I diminish?
could you diminish?
could he diminish?
could we diminish?
could you diminish?
could they diminish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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