YOU SAID:
Axel can't write a good sentence
INTO JAPANESE
アクセルは、良い文章を書くことはできません。
BACK INTO ENGLISH
Axel cannot write good sentences.
INTO JAPANESE
アクセルは、よい文章を書くことはできません。
BACK INTO ENGLISH
Axel cannot write good sentences.
That didn't even make that much sense in English.