Use can, could, may, might, to be able -...I come in? - Yes, come in, please. What ... I...

Question

Use can, could, may, might, to be able

-...I come in?
- Yes, come in, please. What ... I do for you?
- I've read the advertisement. I'm looking for a job. ... you offer me something?
- Oh, yes. I need a secretary. But ... you give me your name first?
- I'm Mary Smith.
- Mary, ... I ask you a few questions?
- Certainly, sir.
- You ... call me Mr. Wilde. What ... you do? ... you type? —
- Yes, and I ... take shorthand.
- Very good. How long ... to type?
- I ... to type since I studied it at school.
- ...you speak any foreign languages?
- Yes, I ... speak French and German and I... understand Russian.
- ... you start work tomorrow'?
- I think I ... thank you. ... I go now?
- Yes, you ... . See you tomorrow.

Answer 1

-May I come in?
- Yes, come in, please. What can I do for you?
- I've read the advertisement. I'm looking for a job. Can you offer me something?
- Oh, yes. I need a secretary. But might you give me your name first?
- I'm Mary Smith. 
- Mary, .can I ask you a few questions?
- Certainly, sir. 
- You may call me Mr. Wilde. What can you do?Can you type? — 
- Yes, and I can take shorthand. 
- Very good. How long are you able to type?
- I am able to type since I studied it at school. 
- Can you speak any foreign languages? 
- Yes, I can speak French and German and Ican understand Russian. 
- Can you start work tomorrow'? 
- I think I can thank you. May I go now? 
- Yes, you may . See you tomorrow.

Думаю так. насчет глагола could и might не помню их употребления. Извиняй, если есть ошибки..