1. I've come across a lot of times with "It's + plural", like: "It's your problems." or "It's my friends." Are they not correct? -- These sound odd, but can be correct in certain circumstances, e.g. 'What irritates you most about me? -- It's all your problems!'
2. Which answers are correct?
What are these? –These are my clothes. / They are my clot
1. Is there any difference between using "these" and "they"? And which do you use more often? Which is better for these examples? ex: What are these? –These are my clothes. / They are my clothes. ex: I've bought some gegs. – What are these? / What are they? ex: Are these apples or pears? - These/Those are pears. / They are pears?
Dear, Mister Micawber, I hope my questions don't seem to you very stupid. J The point is that in my language we don't say "What are they?". We use "What are these?" in all cases, whether we point to the objects or identify them. That's why I can't "feel" the difference between these questions.
Your concerns are never 'stupid'. However, the first advice I should give you is to avoid the general proposition, 'in my language, we do X, so language Y should also...' The grammar of any language is contingently independent of other languages, so come into a new language with no presuppositions.
1. Can I use "What is this?" or "What are these?" to identify objects (when the in