I saw a textbook whichthat was different to mine today. I saw a textbook that was different to mine today.

I saw a textbook which was different from mine today. I saw a textbook which was different from mine today.

I saw a textbook which was different than mine today. I saw a textbook which was different than mine today.

It belonged to a boy who used to study in Shenzhen, which is one of the most developed super megacities in China. It belonged to a boy who used to study in Shenzhen, which is one of the most developed megacities in China.

It belonged to a boy who used to study in Shenzhen, which is one of the most developed super cities in China. It belonged to a boy who used to study in Shenzhen, which is one of the most developed supercities in China.

It belonged a boy who used to study in Shenzhen, which is one of the most developed super cities in China. It belonged a boy who used to study in Shenzhen, which is one of the most developed cities in China.

The book was came out by anotherpublished by a different publisher. The book was published by a different publisher.

The book was came outhad been published by another publisher. The book had been published by another publisher.

The book was came out by anotherpublished by a different publisher. The book was published by a different publisher.

It is more vivid and native, it can lead you to feel the beauty of English. It is more vivid and native, it can lead you to feel the beauty of English.

I don't understand the sense of 'native' here, so it's difficult to correct - it doesn't work in this sentance though.

It is more vivid and native, and it can lead you to feel the beauty of English. It is more vivid and native, and it can lead you to feel the beauty of English.

A conjunction would make the sentence more natural

It is more vivid and nativeural, it can easily lead you to feel the beauty of English. It is more vivid and natural, it can easily lead you to feel the beauty of English.

The book I am using is more rigid and Chinglish. The book I am using is more rigid and Chinglish.

I've never heard the word 'Chinglish' before but I'm guessing it's a combination of Chinese and English?

The book I am using is more rigid and contains Chinglish. The book I am using is more rigid and contains Chinglish.

I suggest adding the word "contains" or something similar. "Chinglish" is often used as a noun, therefore it cannot be used on its own to describe the book. In addition, do note that the word "Chinglish" is quite informal. Another way to write this might be, "The book I am using is more rigid and contains instances of poorly-translated English."

The book I am using is more rigid and the examples feel like Chinglish. The book I am using is more rigid and the examples feel like Chinglish.

By reading it, you canwill never know what English really is. By reading it, you will never know what English really is.

By reading it, you can never know what English really isYou could never really learn English very well by reading it. You could never really learn English very well by reading it.

It seems that its only function is to help one pass the exam. It seems that its only function is to help one pass the exam.

I added the word "one", which in this case refers to any person. In this case, the phrase "pass the exam" requires the subject to be specified. Otherwise, this results in what is known as a dangling modifier.

It seems that its only fuctionuse is to help you pass the exam. It seems that its only use is to help you pass the exam.

Ironically, it is unseaydifficult for the students to study by themselves. Ironically, it is difficult for the students to study by themselves.

Ironically, it is unseay for the students to study by themselves. Ironically, it is unseay for the students to study by themselves.

"unseay" seems to be a typo here.

Ironically, it is unseaydifficult for the students to study by themselves. Ironically, it is difficult for the students to study by themselves.

I can't imagine that how canhow a person could get a good grade when he doesn't like the textbook. I can't imagine how a person could get a good grade when he doesn't like the textbook.

I can't imagine that how can a persohow a student can get a good grade when they doesn't like the textbook. I can't imagine how a student can get a good grade when they don't like the textbook.