How many years have you studied Chinese for?

How many years have you studied Mandarin for?

Source: Tatoeba

Demand for occupational therapy has surged in recent years.

Source: Tatoeba

Almost all the American TV series of the last few years were written by homosexuals.

Source: Tatoeba

Tom has been learning French for a few years.

Source: Tatoeba

How many years did Tom work here?

Source: Tatoeba

I haven't been back to Boston in years.

Source: Tatoeba

How many years have you studied Mandarin for?

Source: Tatoeba

I taught French for several years.

Source: Tatoeba

In recent years, science has made remarkable progress.

Source: Tatoeba

Tom studied French for a few years.

Source: Tatoeba