Re: Errors and correctıon ın grammar WORD ORDER PREPOSITIONS TENSE EXERCISES (T)

I am 46 years old and married for twenty years. We have got three children, one soon and two daughters. There are six, eight and eleven years old. I am an electrical engineer and worked for a company who manufactured machines for processing automatically.
At first, I am going to learn English in Great Britain. It's very important for my job. Then, I would like to have a little compagniy with about ten co-worker for myself. If it isn't possible, I'll manage a department who developed high technology machines.
I became the test sheets for complete and return directly at you. You phoned at your agent about my course at your school in Bristol. Very thanks for your trouble. I'm happy to come at your school and I'm sure to learn better English. I don't know my flight number on the 5st March. I would let you as soon as possible.

can you help me out .i have tried to solve but iam somewhat in suspicion.please help.thanks alot..