If I don't know the options, should I use 'what' or 'which'? If the options are limited and known, should I use 'what' or 'which'?

"What" is used when there is no clear limit or definitive choice among the options, or when the speaker is asking for general information. Is your favourite movie? What movie do you prefer Titanic or Avengers? Which are your parents names? What is the weather like today? What time do you wake up? "That" vs Which: Difference and Comparison - Basic English Grammar. Learn the difference between "that" and "which". Nov 25, 2020 ... Although you can sometimes use “what” and “which” interchangeably, there are certain instances where only one of these words is correct. Jan 7, 2024 ... "What" should be used for an item within an infinite, uncountable set if items, such as 'what's your favourite colour?' or 'what's the time?'. ... (vs. devour). (3b), but that Slavic CHWs (e.g., Polish or Croatian) are not subject to these restrictions (4a-b):. (3) a. *What and to whom did John give? b ... May 6, 2019 ... While fun to fly, precursor ships kinda suck for missions. The turret is short range (comparatively) and targets die before you really get any ... Aug 29, 2012 ... ... what”) vs. spatial (“where”) aspects of these sounds, or to listen passively. To investigate sustained modulatory effects, oscillatory power ... Aug 17, 2022 ... In formal American English, that is used in restrictive clauses, and which is used in nonrestrictive clauses. Jun 24, 2019 ... The main difference between which and what is that which is used for a limited number of choices, what is used for an unlimited number of ...