English verb conjugation COULD OSCILLATE

Regular verb: oscillate - oscillated - oscillated

Affirmation

Simple form

I could oscillate
you could oscillate
she could oscillate
we could oscillate
you could oscillate
they could oscillate

V-ing form

I could be oscillating
you could be oscillating
she could be oscillating
we could be oscillating
you could be oscillating
they could be oscillating

Perfect

I could have oscillated
you could have oscillated
she could have oscillated
we could have oscillated
you could have oscillated
they could have oscillated

V-ing perfect

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

Negation

Simple form

I could not oscillate
you could not oscillate
she could not oscillate
we could not oscillate
you could not oscillate
they could not oscillate

V-ing form

I could not be oscillating
you could not be oscillating
she could not be oscillating
we could not be oscillating
you could not be oscillating
they could not be oscillating

Perfect

I could not have oscillated
you could not have oscillated
she could not have oscillated
we could not have oscillated
you could not have oscillated
they could not have oscillated

V-ing perfect

I could not have been oscillating
you could not have been oscillating
she could not have been oscillating
we could not have been oscillating
you could not have been oscillating
they could not have been oscillating

Interrogative form

Simple form

could I oscillate?
could you oscillate?
could she oscillate?
could we oscillate?
could you oscillate?
could they oscillate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not oscillate?
could you not oscillate?
could she not oscillate?
could we not oscillate?
could you not oscillate?
could they not oscillate?

V-ing form

could I not be oscillating?
could you not be oscillating?
could she not be oscillating?
could we not be oscillating?
could you not be oscillating?
could they not be oscillating?

Perfect

could I not have oscillated?
could you not have oscillated?
could she not have oscillated?
could we not have oscillated?
could you not have oscillated?
could they not have oscillated?

V-ing perfect

could I not have been oscillating?
could you not have been oscillating?
could she not have been oscillating?
could we not have been oscillating?
could you not have been oscillating?
could they not have been oscillating?

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