Japanese conditional form (if) 私はお金があったら、日本に行きたいです. 時間があったら日本語を熱心に勉強します。 屋外に出たら暑いです.

Is this sentence correct? 私は2週間前に日本語を勉強するはじめました。

Can some one explain 피장파장? does it mean "Now we're even"? and can you please show me some example sentences? thanks so much!

How to say "from" someone Hello! I really can't find any information on this. I want to say "from" someone. like, "from my friend." "I received a gift from my friend" How can I say this in Japanese? is it "友達に"?

What is the japanese word for "these days" or "lately"? What is the Japanese word for "these days" or "lately"? I want to say "I'm studying japanese these days" or "I'm studying japanese lately"

2014년 와~ 벌써 2014년이에요! 2014년에 한국어를 더 열심히 공부 하고 싶어요. 2013년 1월에 한국어를 공부하기시작했는데, 저는 1년 동안 한국어를 공부했어요! 처음에는, 저는 한국어가 불가능한다고 생각했어요. 한국어는 어렵지만, 아주 재미 있어요!

Can anyone explain to me the difference between the "-던" verb ending and the "-고는 하다" verb ending?

because if I'm not mistaken, they both me "I used to-"