English verb conjugation COULD SPIKE

Regular verb: spike - spiked - spiked

Affirmation

Simple form

I could spike
you could spike
he could spike
we could spike
you could spike
they could spike

V-ing form

I could be spiking
you could be spiking
he could be spiking
we could be spiking
you could be spiking
they could be spiking

Perfect

I could have spiked
you could have spiked
he could have spiked
we could have spiked
you could have spiked
they could have spiked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I spike?
could you spike?
could he spike?
could we spike?
could you spike?
could they spike?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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