I want to pass the eiken grade two Eiken test. I want to pass the grade two Eiken test.

Capitalize proper nouns. Also adding the word "test" clarifies what you are trying to pass.

I want to pass the eEiken gGrade tTwo. I want to pass the Eiken Grade Two.

I want to pass the eiken. I want to pass the eiken.

Use an infinitive when using the word "want" with another word.

I want to pass the eEiken. I want to pass the Eiken.

I worry that have I powor ofwhether I am able to pass the test. I worry whether I am able to pass the test.

When using "that" with worry, you're talking about a specific fear you hope won't happen. When using the word worry to talk about something you want to be true but aren't sure is true, use the word "whether."

I worry that have I powor ofwhether I have the ability to pass the test. I worry whether I have the ability to pass the test.

I have been studied for 1one month. I have studied for one month.

Use an active verb instead of a passive verb form. Also, we generally write out numbers ten or lower (one, two... instead of 1, 2).

I have been studiedying for 1 month. I have been studying for 1 month.

I study thirty minutes for eEiken every day. I study thirty minutes for Eiken every day.

Everyday is an adjective, every day is the adverb you are trying to use.

I study thirty minutes for eEiken everyday. I study thirty minutes for Eiken everyday.

Actually, It is that I was started studying of eiken to I write dairy reason started to write a diary because I was studying for the Eiken test. Actually, I started to write a diary because I was studying for the Eiken test.

Using a "because" clause is more natural here.

Actually, It is that I was started studying of eiken to I write dairy reasothe reason I started writing journals here is so that I can pass the Eiken. Actually, the reason I started writing journals here is so that I can pass the Eiken.

"in order to" can also be used for ため: "Actually, I started writing journals here in order to pass the Eiken."

すいません、ここでは実は私が日記を書き始めたのは英検に合格するためなんですと書きたかったですが思いつきませんでした。Sorry, I wanted to write "Actually, the reason I started writing journals here is so that I can pass the Eiken," but the words weren't coming to me. Sorry, I wanted to write "Actually, the reason I started writing journals here is so that I can pass the Eiken," but the words weren't coming to me.

わかりました^^

I hope to pass the eiken grade two Eiken test. I hope to pass the grade two Eiken test.

Just like "want," "hope" uses an infinitive.

I hope to pass the eEiken gGrade tTwo. I hope to pass the Eiken Grade Two.