take與by, on, in的區別在於詞性，take為動詞，後面三個都是介詞。
當用來充當謂語動詞時用動詞take。不充當謂語動詞時用介詞by, on, in。
所有意思相同，詞性上分別有動詞和介詞詞的詞用法同上。如："有" have ,with；「用」use, with；「經過」pass, past；"乘「take, by。。。
不充當謂語動詞時用介詞by, on, in，那什麼時候用by, 什麼時候用on ，又什麼時候用in呢？
當交通工具前沒有任何限定詞時用by。
當交通工具前有限定詞時用on或in。
car前有限定時只能用in，bike前有限定詞時只能用on。
請完成下列練習
1. Sky goes to school _____（乘）bike every day.
2. Sky _____（乘）a bike to school every day.
3. Sky goes to school _____（乘）his bike every day.
4. Sky goes to school _____（乘）his car every day.
5. They _____（用）the money to buld a library.
6. They built a library _____（用）the money.