Thank you, sir, for holding the door open for me.
Sir, can you tell me what time the next bus is coming?
Sir, can you please help me find my way to the train station?
Sir, may I borrow a pen to write down this important phone number?
Excuse me, sir, do you have any recommendations for a good restaurant nearby?
Sir, could you please turn down the volume on your phone?
Sir, the train you're looking for leaves from platform 3.
Excuse me, sir, do you know where the nearest restroom is?
Sir, I'm afraid I can't let you enter without a ticket.
Sir, can I please have another glass of water?
I'm sorry, sir, but I'm afraid we don't have that item in stock at the moment.
Sir, may I have your permission to leave the class early?
Thank you for your help, sir. I really appreciate it.
Sir, could you please repeat the instructions? I didn't catch them.
Excuse me, sir, can you tell me the way to the nearest gas station?
"Could you help me with my luggage, sir? It's quite heavy and I could use a hand."
"Excuse me sir, do you happen to have the time?"
"Sir, can you please refrain from smoking in this designated no-smoking area?"
"Sir, I must inform you that you are exceeding the speed limit on this road."
"I'm sorry sir, but we cannot honor your expired coupon for this purchase."
Excuse me sir, but I must remind you that smoking is not permitted in this area.
May I ask you a question, sir? How do you handle stress in your work environment?
Sir, I must disagree with your opinion as it goes against the facts presented.
Sir, I apologize for any inconvenience caused by the delay in your order.
Sir, your dedication to your community and charity work is truly admirable.
"May I call your attention, sir, to the pressing matter at hand?"
"Sir, I humbly request your permission to pursue this opportunity abroad."
"Sir, your expertise in the field is highly commendable."
"Excuse me, sir, but I believe you have mistaken my intentions."
"Pardon me, sir, but I must insist on a more rigorous evaluation for this proposal."