The author(作者) think that learning and using English all the time is the best way to learn

问题描述:

The author(作者) think that learning and using English all the time is the best way to learn
English.为什么要用"learning"和"using”而不用"learn"和"use"呢?

The author(作者) think that 【learning and using English all the time is the best way to learn】
【】里是宾语从句 learning and using English all the time是从句的主语. 作主语用ing形式或to do形式. 从句的谓语是 is