Andrew: I think we are reliable especially business men
Correct: I think I am reliable.

Andrew: For instance, when I lend money to my friends, they are reliable.
Correct: For instance, I lend money to my friends. As a result, they also do the same thing so that makes them reliable too.

Andrew: One day, I suddenly imagin my life without my parents.
Correct: Sometimes, I imagine life without my parents.
Explanation: To avoid redundancy or repitition of words, you could remove "my" and simply say "life" .

Andrew: then I begin to think serious thought . Because I must work everything .
Correct: Then I begin to think serious thoughts like I have to work hard.
Explanation: Always capitalize the first letter in a sentence.

Andrew: So, I'll be a good person for my parents.
Correct: So, I'll be a good son for my parents.

Andrew: I guess ordinary human want to have a expensive thing.
Correct: I guess an ordinary human wants to have an expensive thing.
Explanation: The indefinite article "an" is used before an initial vowel sound. Basic Rule. A singular subject (she, Bill, car) takes a singular verb (is, goes, shines), whereas a plural subject takes a plural verb.

Andrew: Because we think expensive items are good items. But I don't think so.
Correct:We always think that expensive items are good items. But I don't think so.

Andrew: For example, eventhough someone have a cheap items, they are better than expensive goods.
Correct: Oftentimes, cheap items are better that expensive ones.
Explanation: You could remove the "a" and simply say "cheap items" for the the indefinite article 'a" is used for singular.

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Hello, Andrew! Thank you for submitting your homework. I am pleased to know that you are really striving hard to do good things for your parents. Anyway, please do take note of the corrections. A job well done, Andrew!

-Teacher Isabel