Yes, you can say "Who is that". that- pronoun, adjective [ not gradable ] used to refer to a person, object, event, etc., separated from the speaker by distance or time, or to something that has …

The use of WHO where THAT is more appropriate is becoming common, especially with reference to companies, corporations and pets, which are obviously not human Some people …

Dec 13, 2016 · That's an interesting observation. I think you're probably right. As a BE speaker, I see the "that" referring to the disembodied voice that could belong to a complete stranger who, …

May 4, 2020 · Both pairs of phrases are perfectly acceptable. Which to choose depends on context. "Who is this" or "Who is that" makes sense when you can refer to the person (perhaps …

Oct 7, 2019 · 2 is not standard. The usage is clearly explained in #5. Do you know who he is? (question with a noun phrase as the object of the verb know) Do you know that? (question with …

If you've got totally no idea who that person is, not even the gender, then you could say 'who was it?'. And also, for 'who was it', you can use it when your friend answered a phone call and then …

Jul 6, 2016 · When answering a phone call or asking who is knocking the door, is it more polite to use "who is this?" than "who is it?", because "it" is more often to be used to refer an object or …

Jun 9, 2012 · a.)You are the one who did this. b.)You are the one that did this. Which of the above sounds more natural in conversation?(Assuming that you are a native/fluent speaker of …

You have it right. As a single question, we would write: Do you know who he is? (not, Do you know who is he?) However, the way you have punctuated these six words makes the wording …

Sep 15, 2025 · Learn English effectively with our detailed guide on relative pronouns. Perfect for learners at any level.