20161013-G77

modal verbs 助动词
can 能／会／可以
should 应该
You can see the Palace of Fine Arts.
你可以去看美术馆
You can't visit some museums on Mondays.
有些博物馆周一不能参观
can't ＝ can not = 不能／不可以／不会
What should I see there?
我在那儿应该看什么？


You should visit the National Museum.
你应该参观国家博物馆


You shouldn't miss the Pyramid of the Sun
你不应该错过太阳金字塔