## “Which” or “what” or … when referring to a main clause?

There are many answered questions that address the usage of “which” and “what” on this site—many of them marked as duplicates—and there is even a specific tag for this topic. But I could not find any answer for the following question: Should I use “which” or “what” or something else if I want to express … Read more

## that vs which vs what

Temporary reopen note: Pleas note that this other question here does not address what or compare it to which or that: When to use “that” and when to use “which”? Original Question Which sentence would you use more, which is just simple wrong and why? This is the speech, that my father wrote. This is … Read more

## “which day is Friday” vs. “what day is Friday”

Thanks to: "Which" vs. "what" — what's the difference and when should you use one or the other? I know that “what” can replace “which” in the examples below. But which questions sound more more common? Which/what day is Friday? — It’s the fifteenth. Which/what day is the first of November? Is it Saturday? Which/what … Read more

## Which vs. What in regards to Continuous Numbers (like Temperature)?

As this question makes clear, “which” is used when there is a set number of choices available, while “what” is used when there is not a set number of choices available. Which term do we use, however, when we are referring to continuous numbers as opposed to discrete numbers? How about numbers that are technically … Read more

## Usage of “what”

We recently did a test and we stumbled upon the following sentence: This film is better than … we saw yesterday. With the answers: a, which b, – c, what d, that I choose “what” and the book also confirmed it as the correct one, but my teacher insisted it is wrong and it should … Read more

## “This cake, what is my favorite, makes me happy”

Lately I have heard many people using what in place of which in adjectival phrases: This cake, what is my favorite, makes me happy. This cake, which is my favorite, makes me happy. Is the first usage grammatical? Which is the preferred usage? Answer To clarify we’re speaking of two different constructs using which or … Read more

## Usage of “Which” and “What”

Which is your most favourite subject in school ? What is your most favourite subject in school ? Which one is acceptable? If both are acceptable, do they have any difference in meaning? Answer In short, when the interrogative pronoun which is used, it is asking about something among a group of things. Note: which … Read more

## “Which” or “what”

Much of (what/which) scientists know about dinosaurs has been recently discovered. The phenomenon of (what/which) are known as corporate networks has also attracted attention. And yes, the answer is what. But why? Answer Both of the clauses beginning with what are noun clauses. You can tell they’re noun clauses because they’re both the object of … Read more

## “Which” vs. “what” — what’s the difference and when should you use one or the other?

Most of the time one or the other feels better, but every so often, “which” vs. “what” trips me up. So, what’s the exact difference and when should you use one or the other? Answer "Which" is more formal when asking a question that requires a choice between a number of items. You can use … Read more