English verb conjugation COULD MACHINE

Regular verb: machine - machined - machined

Affirmation

Simple form

I could machine
you could machine
she could machine
we could machine
you could machine
they could machine

V-ing form

I could be machining
you could be machining
she could be machining
we could be machining
you could be machining
they could be machining

Perfect

I could have machined
you could have machined
she could have machined
we could have machined
you could have machined
they could have machined

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I machine?
could you machine?
could she machine?
could we machine?
could you machine?
could they machine?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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