English verb conjugation COULD PROBE

Regular verb: probe - probed - probed

Affirmation

Simple form

I could probe
you could probe
he could probe
we could probe
you could probe
they could probe

V-ing form

I could be probing
you could be probing
he could be probing
we could be probing
you could be probing
they could be probing

Perfect

I could have probed
you could have probed
he could have probed
we could have probed
you could have probed
they could have probed

V-ing perfect

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

Negation

Simple form

I could not probe
you could not probe
he could not probe
we could not probe
you could not probe
they could not probe

V-ing form

I could not be probing
you could not be probing
he could not be probing
we could not be probing
you could not be probing
they could not be probing

Perfect

I could not have probed
you could not have probed
he could not have probed
we could not have probed
you could not have probed
they could not have probed

V-ing perfect

I could not have been probing
you could not have been probing
he could not have been probing
we could not have been probing
you could not have been probing
they could not have been probing

Interrogative form

Simple form

could I probe?
could you probe?
could he probe?
could we probe?
could you probe?
could they probe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not probe?
could you not probe?
could he not probe?
could we not probe?
could you not probe?
could they not probe?

V-ing form

could I not be probing?
could you not be probing?
could he not be probing?
could we not be probing?
could you not be probing?
could they not be probing?

Perfect

could I not have probed?
could you not have probed?
could he not have probed?
could we not have probed?
could you not have probed?
could they not have probed?

V-ing perfect

could I not have been probing?
could you not have been probing?
could he not have been probing?
could we not have been probing?
could you not have been probing?
could they not have been probing?

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