he should have checked vs he should has checked

The correct phrase is "he should have checked." The modal verb "should" is followed by the base form of the verb (in this case, "have checked"). The second phrase, "he should has checked," is incorrect because the verb "has" is not used after "should."

Last updated: March 22, 2024 • 4626 views

This phrase is correct. It follows the structure of using the modal verb "should" followed by the base form of the verb.

"he should have checked "

This phrase is used to indicate that someone was expected to check something in the past but did not do so.

Examples:

He should have checked the email before sending it.
She should have checked the ingredients before cooking.
They should have checked the weather forecast before planning the picnic.
I should have checked the train schedule before leaving the house.
You should have checked the map before getting lost.

Show examples from the web [+]

He should have checked in with you by now, telepathically or something.
I have checked e-mails, I have checked phone records...
You could have checked the phone records, seen there must be something wrong.
Maybe I should have checked out the farmer a little better.
I must have checked the wrong box or something on the W-2.
Sort of wish you would have checked with me first.
He and his entourage have checked in just to see you.
Snipers have checked the north quadrant.
I should have checked the grounds for any rogue hives.
And another one says that you have checked into rehab.
I must have checked my pulse a little too hard.
You should have checked with me before abducting that scientist.
All the other facilities have checked in.
All of them have checked into that club at least once.
You should have checked his credentials the moment he arrived.
They have checked and rechecked their findings...
Thompson and Gutierrez should have checked in 15 minutes ago.
The police would have checked my watch.
I would have checked the map first.
We have checked every hospital in Manhattan.

This phrase is incorrect. The verb "has" should not be used after the modal verb "should."

"he should has checked "

Show examples from the web [+]

No one with that name has checked in yet.
So nobody by the name of Sergei Damanov has checked in yet.
Everything Miranda has told me so far has checked out.
The Commission has checked these figures and calculations and asked for further explanations.
He's a her, everything has checked so far.
I'll go see if that idiot from The Post has checked in yet.
Someone has checked out the big TV, even though I use it for serious educational purposes in my classroom every day.
No one has checked me out since I stepped foot in this gym, Johnny.
I have a list of 24 private equity firms and I'd like to find out if anyone has checked into a hotel in the last 72 hours.
Her Facebook page Says Cailin has checked in at the college café.
It's the first thing every doctor I've ever gone to has checked.
Penny G has checked all local mental institutions, and there are no women that fit that description that have been released in the last two weeks.
No, this Quartus guy has checked in with me every 10 minutes like clockwork.
Someone has checked his calculations, of course?
After having examined the renegotiation from a microeconomic point of view, the Commission has checked whether BNFL was treated on an equal footing with that of private creditors of BE.
The intermediate payments shall be paid only on condition that the Member State has checked the documents referred to in the second subparagraph of paragraph 1.
The paying agency shall make payment once it has checked the conformity and eligibility of the aid amounts in question.
The balance shall be paid only on condition that the Member State has checked the invoices and documents referred to in paragraphs 1(3).
I've done nothing but look out for you, Corrine, and the kids, And every single thing that I have told you has checked out so far.
He hides the body In the closet And then indicates That the guest has checked out.

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he should have checked vs he should has checked