I invite you to dinner tonight. (or "I am inviting". "Will" is not wrong but in most contexts it is not the best choice) The students asked the teacher to repeat it. Please don't smoke (in) here. Sit down, please! Have some tea, please! Could I ask a question, please? Would you please tell me the meaning of this Chinese character? On this date, I'll pay for bus fares and admission tickets. (context needed to determine correct tense) I ask your forgiveness for my mistake. Your request has been submitted to the committee for consideration.

*I'll invite you to dinner tonight. The students asked the teacher to repeat it. Please don't smoke here. Sit down, please! Have some tea, please! *Could I ask a question, please? *Would you please tell me the meaning of this Chinese character? *On this date, I'll pay for bus fares and admission tickets. *I ask for your forgiveness of my mistake. Your request has been submitted to the committee for consideration. *Would you like to have dinner tonight? *Could I ask a question? *Would you mind telling me the meaning of this Chinese character? *On this date, the bus fares and tickets are on me. *Please forgive my mistake.