7.主动表示被动的结构。
1)have something
to do
2)Sth.+ be + adj.+
to do
3)be worth doing
4)taste(sound,
smell, feel) + adj.
5)Sth.
needs(require, want) + doing
例:They have a lot of food to eat.
The
text is very easy to understand.
That
book is well worth reading.
The
cloth feels soft.
The
old need respecting.