Hannah紐約台灣進行式

ask 某人 a favor 請某人幫忙
 ex: I wantedto ask you a favor

ask 某人 + 疑問句(如why) 詢問原因理由
 ex: could you ask him why

the reason + 子句 + is that + 子句 表達某事的原因理由
 
tell me the reason why +子句 尋求說明原因.理由
   ex: could you tell me the reason why your were absent yesterday?

reason for 某事  某事的理由為..
   ex: the reason for my absence.

I have a good reason for 某事   有正當的理由
   ex: I have a good reason for doubting his explanation.

for 某事 reason 以某事為理由
   ex: I refuse to answer it for private reason.

there is no reason for you to 某事 沒有正當理由做某事...不妥當
   ex: there's no reason for you to be curious about my medical conditions or records.