Words To Avoid
1- You have to…
2- You can’t…..
3- What is your problem?
4- I’ll try, don’t know
5- I need you to…
6- We can’t do that
Words To Use
1- Will you…
2- Would you…
3- Can you tell me about the problem?
4- Let me find out
5- Could you?
6- What we can do is…
Source: Internet