Question

i help my mother

I helped my mother ______(do) the housework.
请说明为什么不用过去式?

Answer 1

I helped my mother do the housework.
我帮助妈妈做家务
help 的用法：
（1）help sb.
（2）help sb.with sth.
（3）help（to）do sth.
（4）help sb.（to）do sth.