The methodWays to use English. Ways to use English.

I think you mean 'how to use English' or 'ways to use English'. All of these work.

I am a student who is only knows how to do English exams. I am a student who only knows how to do English exams.

English exams (exams about English history, e.g Shakespeare) or exams in English (exams about English grammar, spelling)?

I am a student who is only knows how to do English exams. / Or you can say "I am a student who only does English exams. I am a student who only knows how to do English exams. / Or you can say "I am a student who only does English exams.

I am a student who is only knows how to do English exams. I am a student who only knows how to do English exams.

I am a student who is only knows how to do English exams. I am a student who only knows how to do English exams.

But I don't know how to use English to communicate.communicate in English. But I don't know how communicate in English.

Sounds more natural.

B..., but I don't know how to use English to communicate. ..., but I don't know how to use English to communicate.

It is not so common to start a sentence in English with words as "but", "and" and similar, as these words are used as conjunctions.

But I don't know how to use English to communicate. But I don't know how to use English to communicate.

(But) I don't know how to use English to communicate. (But) I don't know how to use English to communicate.

You don’t really need “but” here.

Also I can't use English successfu(read OR write OR understand) English welly. Also I can't (read OR write OR understand) English well.

Be specific. For example: Also I can't READ English well. or. I can't READ or WRITE English well.

Also, I can't use English successfully. Also, I can't use English successfully.

Perhaps phrase as "In the same time..." or "Frankly..."

Also I can't use English successfully. Also I can't use English successfully.

"Successfully" sounds odd here because you don't make clear what "success" would refer to, specifically. Normally you would use "successfully" in reference to a specified goal or effort.

I hope that one day I can study abroad, so it's necessary for me to use English fluently.be fluent in English. I hope that one day I can study abroad, so it's necessary for me to be fluent in English.

Sounds more natural.

I hope that one day I can study abroad so it's necessary for me to useo study abroad one day, so it is essential that I speak English fluently. I hope to study abroad one day, so it is essential that I speak English fluently.

I hope that one day I can study abroad, so it's will be necessary for me to use English fluently. I hope that one day I can study abroad, so it will be necessary for me to use English fluently.

Using it's (present tense) is understandable but I think future tense sounds better here because you're describing a situation in the future.

I hope that one day I can study abroad, so it's necessary for me to use English fluently. I hope that one day I can study abroad, so it's necessary for me to use English fluently.

I really want the poeople whose native language is English to give some useful suggestions to madvice. I really want the people whose native language is English to give some useful advice.

You can also say 'give me some tips.'

I really wantwould be really grateful if the poeople whose native language is English tocould give me some useful suggestions to me. I would be really grateful if the people whose native language is English could give me some useful suggestions.

I really want the poepeople whose native language is English to give some useful suggestions to me. I really want people whose native language is English to give some useful suggestions to me.

I really want the poepeople whose native language is English to give some useful suggestions to me. I really want people whose native language is English to give some useful suggestions to me.