English verb conjugation SHOULD INVESTIGATE

Regular verb: investigate - investigated - investigated

Affirmation

Simple form

I should investigate
you should investigate
he should investigate
we should investigate
you should investigate
they should investigate

V-ing form

I should be investigating
you should be investigating
he should be investigating
we should be investigating
you should be investigating
they should be investigating

Perfect

I should have investigated
you should have investigated
he should have investigated
we should have investigated
you should have investigated
they should have investigated

V-ing perfect

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

Negation

Simple form

I should not investigate
you should not investigate
he should not investigate
we should not investigate
you should not investigate
they should not investigate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

should I investigate?
should you investigate?
should he investigate?
should we investigate?
should you investigate?
should they investigate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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