1. Which are most important?
2. Which are the most important?
(Which one is correct? Do we have to use 'the' or not?)
I would say #2 because it sounds better.
Both are correct.
There's basically no difference between these two sentences.
I agree with Ms. Sue. It depends on your articles...in this case, THE would be your article.
Both sentences are correct, but they have slightly different meanings based on the usage of 'the.'
1. "Which are most important?" - This question is asking which items or factors are generally important without specific context. It does not refer to a particular set of important things.
2. "Which are the most important?" - This question is asking for the identification of the most important items or factors among a specific set of options or in a given context. 'The' is used to refer to a specific group or set of important things, emphasizing that there is a limited selection from which to choose.
So, whether you include 'the' or not depends on whether you are referring to a broader, more general sense of importance or a specific, limited selection.