1 all 意為“都”,強調(diào)整體,與復數(shù)名詞連用時,指三者或三者以上。all 還可以同單數(shù)可數(shù)名詞或不可數(shù)名詞連用。
We are all Chinese. 我們都是中國人。
All horses are animals. 所有的馬都是動物。
I wandered in the hills all afternoon. 我整個下午都在山里漫游。
2 both 意為“兩者都”。
They are both in Grade Three. 他們兩人都是3年級 。
Both of them are in Grade Three.
3 all 和both 都可以與限定詞the, these, my, your等連用。
All their houses were burned down. 他們所有的房屋都燒毀了。
Both these rooms are not big enough. 這兩個房間都不夠大。
4 each 意為“每一”,強調(diào)個別,指個體。
Each of them has a pen. 他們每人都有一支鋼筆。