One and a half years have passed since I started to learn Chinese.とは 意味・読み方・使い方

One and a half years have passed since I started to learn Chinese.

It's been two years since I started learning Chinese.

I started learning Chinese last week.

It'd been 5 months since I started learning Chinese.

I started learning Chinese last week.

I have learned Chinese before.

I have [I've] been learning English for five years.

It was an advantage having learned Chinese while I was in school.

It is four years since I began studying English.

I want to go to China within a year.

It is forty years since I began studying Japanese.

It's been forty years since I began to study Japanese.

I would like to go to China within one year.

I have been corresponding with a pen pal in the USA for a year.

I learned Chinese today.

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

It is forty years since I began the study of Japanese.

It's been forty years since I began to study Japanese.

It's been three years since I started studying French.

It's been three years since I began studying French.

It's been three years since I started to study French.

It is about 6 months since I started to learn English.

I started to learn English about 6 months ago.

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 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.

My roommate is learning Chinese.