私は六年間英語を勉強している。の英語

I have been studying English for six years now.

I have been studying English for four years.

I have learned English for 5 years.

I learned English for seven years.

I have been studying English for five years.

I have been studying English for four years.

I will have been studying English for six years by the end of next month.

It is six years since I started to study English.

It's been six years since I started to study English.

It has been six years since I started to study English.

I studied English for four years.

I have been learning English these four years.

It is six year since I started to study English.

It is six years since I started to study English.

It's been six years since I started to study English.

It will be four years since I studied English.

It's been 4 years since I started studying English.

I have been studying English for five years.

I will have been studying English for five years next February.

I have been studying English for three years.

I have been teaching English these five years.

I study English on my own for a year.

I've studied English for five years.

Even though I have studied English at school for the past six years, I'm still not good at speaking it.

Even though I studied English for 6 years in school, I'm not good at speaking it.

Though I have studied English at school for the past six year, I am still not good at speaking it.

I've studied Japanese for five years.

We have been studying English for three years.

I've been learning English from John for 6 months.

I've taught English for three years.