None of us have/has been to the Great Wall. 我们中没有一个人到过长城。
None of the money is Marys but her twin sisters.
这些钱都不是玛丽的而是她双胞胎姐姐的。
none单独使用时,是用来代替文中提到的特定的人和物,no one和nothing并不指文中提到的人和物。
All of the exchange students were invited,but none(=not any girl) arrived.
宴请了所有的交流学生,但一个也没来。(如果用no one则意思是不仅交流学生没有来,连其他的人也没有来)
I would like to have some milk. But there is none left in the fridge.
我想喝点牛奶,可是冰箱里一点也没有了。(如果用nothing意思是冰箱里不仅没有牛奶,连其他东西也没有。)
(2).Maybe we can order a pizza.(P24)
【辨析】maybe和may be一分一合,但含义和用法却截然不同。
1) maybe是副词,意思是也许、可能,在句中做状语,相当于perhaps,常位于句首。
2)在may be中may是情态动词,be是动词原形,两者构成完整的谓语形式。意思是:也许是,可能是。
Why doesnt the little girl like to go to the zoo? Maybe she is afraid of animals.
Why doesnt the little girl like to go to the zoo?She may be afraid of animals.
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