English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
DID YOU KNOW or DO YOU KNOW?
~Do you know~ there was an election in Kogi State last weekend (nonstandard)?
*Did you know* there was an election in Kogi State last weekend (standard)?
The phrase “did you know” is used when you are asking someone if they know a fact, and you already know that fact.
~Did you know~ where I can get fruit (nonstandard)?
*Do you know* where I can get fruit (standard)?
The phrase “do you know” is usually used when you are trying to find out information that you do not know.
GAB
I am so much enjoying the English class from you for many years. May God bless you with many beneficial knowledge and may it serve as sadaqa.