I will be going to sShanghai this week.

i will be going to sShanghai tomorrow , not for travel,  i  I  have an interview.   i  I  don't have any confidence to pass this interview, cause because  i  I  should use be speaking eEnglish speaking all during my interview.  tTomorrow  i  I  will be arriveing in sShanghai and back in on sSunday .   i  I  will have a good experience even though  i  I  can't speaking good eEnglish well.

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Please do not worry about the number of corrections I have made.  Your meaning was very clear.  However you have made many small mistakes.  These small mistakes are easy for you to correct. Please read the following article:

http://www.italki.com/article/279/five-ways-to-improve-your-english-writing

Good luck with your interview!

I will am going to Shanghai this week.

I am will going to Shanghai tomorrow for an ,not travel, i have an interview. I don't have any much confidence that I will be successful because to pass this interview,cause I should use need to be able to speak English speaking all during the my interview. I arrive in Shanghai tomorrow and return home on Sunday. tomorrow i will arriveing in shanghai and back in sunday . It  will have be a good experience even though I can't speaking good English.