English verb conjugation SHOULD UNDERSTAND

Irregular verb: understand - understood - understood

Affirmation

Simple form

I should understand
you should understand
he should understand
we should understand
you should understand
they should understand

V-ing form

I should be understanding
you should be understanding
he should be understanding
we should be understanding
you should be understanding
they should be understanding

Perfect

I should have understood
you should have understood
he should have understood
we should have understood
you should have understood
they should have understood

V-ing perfect

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

Negation

Simple form

I should not understand
you should not understand
he should not understand
we should not understand
you should not understand
they should not understand

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

should I understand?
should you understand?
should he understand?
should we understand?
should you understand?
should they understand?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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