2. There are two Koreas: North Korea and South Korea. To make sense, you need to specify which.
.Everybody knows it's North Korea. No, they don't. You cannot assume that.
Can this be used in the past tense as well? Why would you think that when it hasn't happened yet, and hopefully never will?
"You got it wrong. I was asking about how long before".
Everybody knows its North Korea.
Can this be used in past tense as well?
If you have a question about the English language and would like to ask one of our many English teachers and language experts, please click the button below to let us know: