How come i dont know that vs How came i dont know that

The correct phrase is "how come I don't know that?". The verb "come" is used in the present tense in this expression, not in the past tense as in "how came I don't know that". The phrase is commonly used in informal English to express surprise or confusion.

Last updated: March 29, 2024 • 769 views

How come i dont know that

This phrase is correct and commonly used in informal English.

This phrase is used to express surprise or confusion about not knowing something. It is an informal way of asking why someone is unaware of a particular fact or information.

Examples:

How come I don't know that? I thought I was up to date with everything.
How come I don't know that? Did you forget to tell me?
How come I don't know that? It's important information.
How come I don't know that? I must have missed the memo.
How come I don't know that? I feel left out.

Show examples from the web [+]

How come I didn't know that Frankie was getting a new place?
Commissioner, how come I don't know that?
How come I'm the crazy one.
Is how come I'm the Pres.
Reading the situation exactly right is how come I'm the pres.
I kept wondering how come I could have passed so easily.
It's how come I can move around.
That's how come I learned to be funny.
Shift. That's how come I'm free.
How come I always see you?
How come I let him get so close?
How come I never noticed that before?
How come I know so much?
I do my best thinking on the bus. That's how come I don't drive.
How come I've never heard of him? 'Cause the air's thin up there, you miss a lot of stuff.
How come I never get a new dryer?
Then how come I stole his favorite employee?
That's how come I know how to do stuff like build fire pits and cook oatmeal for a whole lot of people at once.
That's how come I got Rudy and Debra over there.
How come I don't like her?

How came i dont know that

This phrase is incorrect. The verb "come" should be in the present tense, not the past tense.

Show examples from the web [+]

How came Falstaff's sword so hacked?
That diamond on your finger, how came it yours?
You! How came you by this metal construct?
Then how came he here with you?
How came Falstaff's sword so hacked?
How came two mortals to this place?
How came Chaney to shoot a state senator?
How came you by the heirloom of our house?
How came you to divine he would make attempt on the mines at Lucania?
How came you to divine he would make attempt on the mines at Lucania?
How came Chaney to shoot a state senator?
Then the day came I had to make my move.
If she came I was supposed to knock.
No, perhaps when they came I was already sleeping.
When the cops came I took them to free Gloria.
But then the day came I wasn't a child any more.
Just before that evil came I said my peace and I took care of my baby the way I always was meant to do.
If she came I'll kill her.
Everyone knows that Delvians are flora evolved.
Yes, I know that one.

What Our Customers Are Saying

Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9).

"Thank you!"
Sachi Nakama July 2024
"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024
"Faster than AI"
CYNTHIA December 2023
"This was very helpful and I personally think this site is the best."
Kaden October 2023
"It was extremely thorough and very helpful!"
imperialelisa October 2023
"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023
"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023
"Without textranch I would be stuck!"
宏祐 October 2023
"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023
"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023
"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023
"you guys are better than grammarly i'm being honest here"
ordinary July 2023
"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023
"Very fast and accurate. thank you."
mojtaba July 2023
"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023
"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023
"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023
"this helps A LOT for my studies."
kathnunez02 June 2023
"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023
"Real Time Editor and not AI. Many Thanks."
Priya June 2023
"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023
"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023
"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023
"This is the best app that I have ever seen"
Burulai May 2023

How come i dont know that vs How came i dont know that