雅思流程图的写作中常用的被动语态动词：（按字母顺序排列）

Be broken down 被分解为

Be burned by 被燃烧

Be deforested 被荒漠化

Be degraded to/from 降级为…

Be delivered to 被输送到

Be disposed of 被处理

Be evaporated 被蒸发

Be exposed 被暴露

Be extracted from 从…萃取

Be generated 被产生/制造

Be grilled 被烧烤

Be heated on/in 在…上被加热

Be incinerated 被焚烧为

Be manufactured 被制作/制造

Be mixed with 和…混合

Be moulded as 被塑造成为

Be oxidated 被氧化为

Be processed 被加工成

Be promoted 被提升为

Be refined from 从…。提炼

Be released to 被释放到

Be restored 被恢复

Be sent to 被送到

Be smoked 被烟熏

Be transferred to 被转移至

Be transported to 被运送到