English verb conjugation SHOULD CONCENTRATE

Regular verb: concentrate - concentrated - concentrated

Affirmation

Simple form

I should concentrate
you should concentrate
he should concentrate
we should concentrate
you should concentrate
they should concentrate

V-ing form

I should be concentrating
you should be concentrating
he should be concentrating
we should be concentrating
you should be concentrating
they should be concentrating

Perfect

I should have concentrated
you should have concentrated
he should have concentrated
we should have concentrated
you should have concentrated
they should have concentrated

V-ing perfect

I should have been concentrating
you should have been concentrating
he should have been concentrating
we should have been concentrating
you should have been concentrating
they should have been concentrating

Negation

Simple form

I should not concentrate
you should not concentrate
he should not concentrate
we should not concentrate
you should not concentrate
they should not concentrate

V-ing form

I should not be concentrating
you should not be concentrating
he should not be concentrating
we should not be concentrating
you should not be concentrating
they should not be concentrating

Perfect

I should not have concentrated
you should not have concentrated
he should not have concentrated
we should not have concentrated
you should not have concentrated
they should not have concentrated

V-ing perfect

I should not have been concentrating
you should not have been concentrating
he should not have been concentrating
we should not have been concentrating
you should not have been concentrating
they should not have been concentrating

Interrogative form

Simple form

should I concentrate?
should you concentrate?
should he concentrate?
should we concentrate?
should you concentrate?
should they concentrate?

V-ing form

should I be concentrating?
should you be concentrating?
should he be concentrating?
should we be concentrating?
should you be concentrating?
should they be concentrating?

Perfect

should I have concentrated?
should you have concentrated?
should he have concentrated?
should we have concentrated?
should you have concentrated?
should they have concentrated?

V-ing perfect

should I have been concentrating?
should you have been concentrating?
should he have been concentrating?
should we have been concentrating?
should you have been concentrating?
should they have been concentrating?

Interro-negative form

Simple form

should I not concentrate?
should you not concentrate?
should he not concentrate?
should we not concentrate?
should you not concentrate?
should they not concentrate?

V-ing form

should I not be concentrating?
should you not be concentrating?
should he not be concentrating?
should we not be concentrating?
should you not be concentrating?
should they not be concentrating?

Perfect

should I not have concentrated?
should you not have concentrated?
should he not have concentrated?
should we not have concentrated?
should you not have concentrated?
should they not have concentrated?

V-ing perfect

should I not have been concentrating?
should you not have been concentrating?
should he not have been concentrating?
should we not have been concentrating?
should you not have been concentrating?
should they not have been concentrating?

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