English verb conjugation COULD GREASE

Regular verb: grease - greased - greased

Affirmation

Simple form

I could grease
you could grease
she could grease
we could grease
you could grease
they could grease

V-ing form

I could be greasing
you could be greasing
she could be greasing
we could be greasing
you could be greasing
they could be greasing

Perfect

I could have greased
you could have greased
she could have greased
we could have greased
you could have greased
they could have greased

V-ing perfect

I could have been greasing
you could have been greasing
she could have been greasing
we could have been greasing
you could have been greasing
they could have been greasing

Negation

Simple form

I couldn't grease
you couldn't grease
she couldn't grease
we couldn't grease
you couldn't grease
they couldn't grease

V-ing form

I couldn't be greasing
you couldn't be greasing
she couldn't be greasing
we couldn't be greasing
you couldn't be greasing
they couldn't be greasing

Perfect

I couldn't have greased
you couldn't have greased
she couldn't have greased
we couldn't have greased
you couldn't have greased
they couldn't have greased

V-ing perfect

I couldn't have been greasing
you couldn't have been greasing
she couldn't have been greasing
we couldn't have been greasing
you couldn't have been greasing
they couldn't have been greasing

Interrogative form

Simple form

could I grease?
could you grease?
could she grease?
could we grease?
could you grease?
could they grease?

V-ing form

could I be greasing?
could you be greasing?
could she be greasing?
could we be greasing?
could you be greasing?
could they be greasing?

Perfect

could I have greased?
could you have greased?
could she have greased?
could we have greased?
could you have greased?
could they have greased?

V-ing perfect

could I have been greasing?
could you have been greasing?
could she have been greasing?
could we have been greasing?
could you have been greasing?
could they have been greasing?

Interro-negative form

Simple form

couldn't I grease?
couldn't you grease?
couldn't she grease?
couldn't we grease?
couldn't you grease?
couldn't they grease?

V-ing form

couldn't I be greasing?
couldn't you be greasing?
couldn't she be greasing?
couldn't we be greasing?
couldn't you be greasing?
couldn't they be greasing?

Perfect

couldn't I have greased?
couldn't you have greased?
couldn't she have greased?
couldn't we have greased?
couldn't you have greased?
couldn't they have greased?

V-ing perfect

couldn't I have been greasing?
couldn't you have been greasing?
couldn't she have been greasing?
couldn't we have been greasing?
couldn't you have been greasing?
couldn't they have been greasing?

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