②数-n.-adj. an 8-year-old boy

一座100米长的桥

一条20米宽的路

③n-v.-ed a water-covered snow

a wall-surrounded house

④n.-v. -ing a man-eating tiger

食草动物

⑤adv. -v.-ed a well-paid job

a well-dressed man

一个受过良好教育的人

7. detour n. vi. Make a detour 绕道，迂回

It's well worth making a detour to see the village.

8. be heavy with 充满，满载（某物）

His voice was heavy with sarcasm (讽刺)

◆be heavy on sth 使用/耗费很多......的

Older cars are heavy on gas.

9. He and a colleague were to spend...

◆be to do

①根据计划或安排"将要做"，等同于be going to do

如：All the things are to be answered for. 所有这一切都是要偿还的。

这位总统将下一个月访问中国。

②用于通知或注意事项

这本书必须亲手交给老师。(in person)

③表命令

你必须先做完作业才能去睡觉。

Book Ⅳ Module 5

Period Ⅲ Grammar Modal verks

May

Ⅰ、情态动词推测用法

be

can /must/may be doing