当我来到农村时，英语中可以这样表达：
When I arrived in the countryside
"Arrived" 是动词，表示"到达"的意思。"In the countryside"是介词短语，表示"在农村"的意思。
例句：
I arrived in the countryside last weekend.
When he arrived in the countryside, he was struck by the peacefulness of the place.
翻译：
我上周末来到了农村。
当他来到农村时，他被这个地方的宁静所打动。
When I arrived in the countryside
"Arrived" 是动词，表示"到达"的意思。"In the countryside"是介词短语，表示"在农村"的意思。
例句：
I arrived in the countryside last weekend.
When he arrived in the countryside, he was struck by the peacefulness of the place.
翻译：
我上周末来到了农村。
当他来到农村时，他被这个地方的宁静所打动。