When he was young,he often _(fly)a kite with his father要用过去式还是用一般现在,为什么

问题描述:

When he was young,he often _(fly)a kite with his father
要用过去式还是用一般现在,为什么

用过去式flew
因为句子是说过去他经常,应该用过去时