语法总结
be said to do
the dead are said to return... 是“据说会……”的正式表达。
相似句：
- He is said to be very rich.
- The temple is said to be over a thousand years old.
be expected to do
the dead are expected to be hungry 体现习俗中的设想和礼待，因此后面才会摆放食物。
相似句：
- Guests are expected to arrive early.
- The train is expected to leave on time.
as 表原因
as it is considered unlucky... 解释为什么食物最终被丢弃。
相似句：
- As it was late, we went home.
- As the road was blocked, we turned back.
现在分词作伴随结果
lanterns drift out to sea guiding the dead... 用 guiding 补充说明灯笼漂流的意义。
相似句：
- She stood there smiling at us.
- The river runs south, carrying leaves away.