A long time ago, I mhade a plan of becoming a volunteer Japanese language teacher as a volunteer work after I retired. A long time ago, I had a plan of becoming a volunteer Japanese language teacher after I retired.

I had a plan of being... → I had/made a plan of becoming... Japanese language teacher as volunteer → volunteer Japanese language teacher is also okay~

A long time ago, I made a plan tof being a Japanese language teacher as a volunteer work after I retire. A long time ago, I made a plan to be a Japanese language teacher as volunteer work after I retire.

When I try to explain about Japanese here, I found that it iwas difficult to explain about Japanese grammear. When I try to explain Japanese here, I found that it was difficult to explain Japanese grammar.

When I try to explain abouthelp people with Japanese here, I found that it is difficult to explain about Japanese grammer. When I try to help people with Japanese here, I found that it is difficult to explain Japanese grammer.

I realised that I haved to learn the names aboutof grammeratical thingerms. I realised that I had to learn the names of grammatical terms.

I realised (that) I have to learn the names aboutof grammeratical things.phenomenons, I realised (that) I have to learn the names of grammatical phenomenons,

For example, "predicate verb, " and "demonstrative pronoun". For example, "predicate verb" and "demonstrative pronoun".

For example,like predicate, verb, and demonstrative pronoun. like predicate, verb, and demonstrative pronoun.

I have used theused grammeratical nameterms from English textbooks when I explain abouted Japanese, h before. However, Japanese grammear is completely different from English so I docan't come up with the Japanesecorrect grammeratical namterms for Japanese at times. I used grammatical terms from English textbooks when I explained Japanese before. However, Japanese grammar is completely different from English so I can't come up with the correct grammatical terms for Japanese at times.

I have used the grammeratical names from English textbooks when I explain about Japanese, however, Japanese grammer is completely different from English, so I don't come up withknow the Japanese grammertical names at times. I have used the grammatical names from English textbooks when I explain Japanese, however, Japanese grammer is completely different from English, so I don't know the Japanese names at times.

So, I will read Japanese textbooks over this weekend to learn the way they explain Japanese wordsgrammar. So, I will read Japanese textbooks over this weekend to learn the way they explain Japanese grammar.

SoTherefore, I will read Japanese textbooks over thise weekend tso learn the way they explain Japanese wordsI can learn how to explain it. Therefore, I will read Japanese textbooks over the weekend so I can learn how to explain it.