I did the math hereYou could , but its probably better to farm ships instead . <| sep |> a do your kids speak English well ? b How did you teach them English ? c Does your spouse also speak fluent English ? a their English is very good older and excellent younger . The younger one ' s is better I think because she came into a better English environmentthe older one was there and we ' d accumulated lots of support materials . The younger one can now max the TOEFL , and after uni here , is headed to US grad school , with a stipend . b as much immersion as possible , and were talking the 90 s here , so early on I ordered a book bag full of Scholastic kids ' books , lots of videos , primitive software , and lots and lots of contact . c my wife is Japanese , but an English teacher . We tried different approacheshome languagecommunity language , one parent one languagebut it ' s ended upresulted in a mishmash .