Grammerð   ؼ ڷ  ص帱. ٷ <IF, >ؼ ߽ϴ.
If + S + V (present verb), S + will + bfv(Base form verb) >> Future  
If + S + V (past verb), S + would + bfv(Base form verb) >> present 
If + S + had p.p (present perfect), S + would have + p.p >> Past 
̶  ˰ ̻̿
regret unreal, real ٰ ϴ
	
		 
	
	
	
	
	
	
	
	
		⼭  ذ ȵǴ IF  WERE / was    !!!!!
	
		 ͳݿ ãƺ غ 
	
		was Ȯ Ȳ  (For uncertain situation, we can use if i was ~~~)
	
		Were  ƴ 츦 Ҷ Ѵٰ ϳ (for unreal situation, we can use if i were ~~~)
	
		 
	
	
		 
	
		If i were you, i should have gotten hard study
	
		 ʿٸ θ  ߾ ߴµ  ʾҴ~~  
	
		 
	
		̶ >>  ʴ ƴϰ ʿٸ ̶   , ,  ƴ Ȳ ̾߱ Ѱ̹Ƿ were   ̴ϴ
	
		 
	
		Ȯ Ȳ϶ was ٰ ʵ˴ϴ.!!!!!!
	
		 
	
		̶ ⼭  Unless ϴ 찡 ־ When̳
	
		 
	
		Unless IF not̶ Ͻø ˴ϴ
	
		 
	
		 ڸ, 
	
		 
	
		If i win the lottery, i will be wealthy
	
		Unless i win the lottery, i won't quit my job
	
		If i don't hurry up, i will be late for work.
	
		 
	
		̷ ø Unless IF negative Ȳ  unless ϱ
	
		When  ֱ Ͼ Ϳ   (real) If  when մϴ
	
		 
	
	
		 
	
		when i got paid, i go shopping
	
		when it rains, i use an umbrella to stay dry.