English verb conjugation COULD ACHIEVE

Regular verb: achieve - achieved - achieved

Affirmation

Simple form

I could achieve
you could achieve
he could achieve
we could achieve
you could achieve
they could achieve

V-ing form

I could be achieving
you could be achieving
he could be achieving
we could be achieving
you could be achieving
they could be achieving

Perfect

I could have achieved
you could have achieved
he could have achieved
we could have achieved
you could have achieved
they could have achieved

V-ing perfect

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

Negation

Simple form

I could not achieve
you could not achieve
he could not achieve
we could not achieve
you could not achieve
they could not achieve

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I achieve?
could you achieve?
could he achieve?
could we achieve?
could you achieve?
could they achieve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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