spread的過去式

例句：

Seeds and pollen are spread by the wind.

種子和花粉是隨風傳播的。

We have 10 000 members spread all over the country.

我們有1萬名成員分佈在全國各地。

Using too much water could spread the stain.

用水太多可能使污跡擴散。

A series of five interviews will be spread over two days.

一共五次面談，分兩天進行。

The disease is spreading at a rapid rate.

這種疾病正在迅速蔓延。