Hello everyone, I am a new here.
I would be grateful if someone help me correct / give me ideas of improvement... Emotion: smile
Q & A as below:

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Q:
Your-have a full-time job and are also doing a part-time evening course. You naive find that you cannot continue the course.
Write a letter to your neighbours. In your letter:

describe the situation
explain why you cannot continue at this time
say what action you would like to take
Write at least 150 words.

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A:

Dear Neighbours,

Thank you for giving me an opportunity to do a part-time evening course for you, but I am sorry to tell u that I am not able to continue the course from next month.

Since I have been promoted last week, the job natural of my full-time job has been changed. I can foresee that I have to work overtime from next month after the new project being. That's mean I am not able to do a part time evening course anymore.

I decided to stop doing the part-time evening course for you from next month, but I will find my friend Kenny who is a full-time teacher to replace me. He is a more able course teacher than I am, and I think he must fulfil your requirement.

Thank you for your understanding; I am looking forward to work for you again.

Sincerely
Assman

A:

Dear Neighbours,

Thank you for giving me the opportunity to do a part-time evening course there, but I am sorry to say that I won't be able to continue the course as from next month.

Since I was promoted last week, the tasks of my full-time job have been changed. I can foresee that I will have to work overtime from next month on after the new project starts. That means I won't be able to do a part-time evening course anymore.

So, I have decided to stop doing the part-time evening course as from next month. However, I will contact my friend Kenny who is a full-time teacher to replace me. He is a more capable teacher than I am, and I think he must fit in your requirements.

Thank you for your understanding; I will be looking forward to working for you again.

Sincerely
Assman
Thank you so much!Emotion: smile

What's the different between:

1)I am looking forward to work for you again.
2)I will be looking forward to working for you again.

If the 1) is incorrect, why?
Teachers: We supply a list of EFL job vacancies
Hey,

If you say I am looking forward.." it gives an idea that now at the moment you want to work for this person again.

If you say I'll be looking forward to.." you make clear that in the future you will want to work for this person again.

Concerning the from "..to working with you"...it's due to the fact that TO here works as a preposition, so we must use the verb in the ing form (gerund).

that's it dude.
Thank you so much [Y]