My mum is illiterate

I was sitting with my mum since 3 days ago. My mum told me about her studying studies when she was young. sShe told me that she was an excellent student. The teachers said have been saying; "you will be a great girl one day.". 
But, unfortunately, my mum didn't continue her studying. After two years in the school, her mum came to the school to take my mum from her school. mMy grandmother said to the teacher "I will take my daughter. She won't continue her study studies.". The teacher said to my grandmother; "your daughter is excellent" and he ordered my mum to write some hard things hard on the blackboard.
My mum write wrote all things that teacher said. Then the teacher talked to my grandma "please, as you are can seeing your daughter is so smart, please leave her to continue her studies study. My grandma said "I am sorry I can't we are poor I can't pay for her school things settings.".
Finally my grandma took my mum from school. My mum spend spent a the rest of her life wishing that if she could have continued her studies study.
wWhen she was narrating her story I cried. My mum is illiterate, but she is still smart like when she was young. wWhen I was a child I was thinking wondering Iif she can could read and write. She was asking me about my homeworks and encouraged me. sShe was teaching me the letters which I remember.
mMy mum always encouraged me to be good in my studies study. And because of Allah first then because of her I get every year the highest degrees every year. eEvery year of at my college I have an "excellent" degree. This is my last year and I am sure I will take excellent degree too if Allah will. My mum said: "I have planted and now I am reaping the the good implant.". She meant me with that those words.
I love my mum. I hope to her she has a long life with good health and good deeds.
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please correct to me

This is a terribly sad story! I'm sorry to hear it. 

Things in green are correct, things in red are incorrect.

You have made the same few mistakes time and time again, which is not actually a bad thing - it shows me that these things have just not been explained to you before. I will try and do that now.

-You have made some bizarre errors with capitalization. Every sentence must start with a capital letter. Always. Never put in random capital letter. 

-The word studies is a noun for the things that one has been studying

-When someone says something, in English we use quote marks "This is written in quote marks" and there is no need to prefix it with a colon or semi colon

-When you write what someone said in speech marks (another name for quote marks) then you should put the full stop (Americans call this a period - ".") before the end of the marks. You should then follow this with a full stop to end then sentence that the speech was enclosed in.

-You've missed out a few articles here and there. Try and be careful with them

-Also some issues with the past tense, but don't worry because it's really difficult. 

-Always use a comma before the word but apart from when it is the first word of a sentence

-Usually, the time component of English sentence come at the end of the sentence. I can't think of any situation in which you would put them in the middle, but you can sometimes use them at the beginning. When you put them in the middle it sounds particularly foreign. 

Hope this helps. Keep studying hard! :)