动词过去式由规则变化到不规则变化，让学生逐渐学习并掌握其不规则变化的规律。当学生有不明白地方，可以向老师或是同学提问。

Ask the students to say it out , and the teacher show it out. and ask the weak student if they don't understand.

youdao

动词过去式由规则变化到不规则变化，让学生逐渐学习并掌握其不规则变化的规律。当学生有不明白地方，可以向老师或是同学提问。

Ask the students to say it out , and the teacher show it out. and ask the weak student if they don't understand.

youdao