English verb conjugation COULD ASTONISH

Regular verb: astonish - astonished - astonished

Affirmation

Simple form

I could astonish
you could astonish
he could astonish
we could astonish
you could astonish
they could astonish

V-ing form

I could be astonishing
you could be astonishing
he could be astonishing
we could be astonishing
you could be astonishing
they could be astonishing

Perfect

I could have astonished
you could have astonished
he could have astonished
we could have astonished
you could have astonished
they could have astonished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I astonish?
could you astonish?
could he astonish?
could we astonish?
could you astonish?
could they astonish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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