Id learn to play guitar「对话」我非常想学吉他
If I had more time, I'd learn to play guitar.
如果我有更多的时间，我想学习弹吉他。
A: What would you do if you had more time?
A: 如果你有更多的时间你将做什么？
B: Me? I'd probably learn to play a musical instrument.
B 我？我很可能学习一样乐器。
A: Which one?
A: 什么乐器？
B: Well, if I had more time, I'd learn to play guitar. I really like the sound. What about you?
B: 哦，如果我有更多的时间，我将学习弹吉他。我非常喜欢吉他的音色。你呢？
A: If I had more time, I'd travel around China. There's so much to see.
A: 如果我有更多的时间，我将到中国各地去旅游。有那么多要看的东西。
B: Yes, I agree - that would be good. There are lots of places I'd love to visit.
B: 是的， 我同意——那太好了。我想有很多地方可以去玩。
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Notes：
1、 You can ask a question about someone's desire or aspiration using if / if, e.g.: What would you do if you had the time? / What would you do if you had the time?; Where would you go if you had the money? / Where would you go if you had the money?
你可以用if /如果来询问某人的愿望或者渴望。例如：What would you do if you had the time? /如果你有时间，你将做什么?； Where would you go if you had the money? /如果你有钱，你将去哪里？
2、 You can use various phrases to express the likelihood of something, e.g. probably / probably; definitely / definitely; maybe / maybe, e.g.: I'd probably learn a musical instrument if I had the time / I'd probably learn a musical instrument if I had the time; I'd definitely go to New York if I had a chance / I'd definitely go to New York if I had the chance.
你可以用不同的词语来表达某事的可能性。例如：probably / 很可能 ； definitely / 一定； maybe / 也许, 例如: I'd probably learn a musical instrument if I had the time / 如果有时间的话，我很可能学习一样乐器； I'd definitely go to New York if I had a chance /如果有机会，我一定去纽约。
3、 If you want to ask about something specifically you can use the question word Which . . .? / Which . . . ?