英文grammar

2009-04-29 9:32 pm
eight hours of sleep is enough.呢個點解唔係用are而係用is??
sitting at the back of the room are my praents.呢句又點解用are唔係
is?

回答 (3)

2009-04-29 10:03 pm
✔ 最佳答案
因為eight hours of sleep並視作為一個整體(一件事,而不是八件事),所以,就用is
正如, Ten dollars is not much(ten dollars也是被視為一個整體)

sitting at the back of the room are my parents這句是用了倒裝句,如:Here comes the train,impossible is nothing一樣
你大若可以將它改為正常的寫法
my parents are sitting at the back of the of the room.
若這樣寫,你就知為甚麼用are,而不用is

希望幫到你!

2009-04-30 04:42:04 補充:
對不起!一時想錯方向

sitting at the back are my parents這句並不是用了倒裝法,讓我們先忘記倒裝法


sitting at the back是這句的主詞,但因為are是linking verb,所以my parents也是這句的主詞l補語,既然主詞補語是my parents,是複數形,也就顯示出主詞是複數形,所以動詞也要用複數形
2009-04-30 8:43 am
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2009-04-29 9:36 pm
eight hours of sleep is enough
你主要想形容的是sleep, not hours, so use "is"



sitting at the back of the room are my praents.
你主要想形容的是parents, not the room, so use " are"

2009-04-30 19:45:26 補充:
the main verb is always served the main subject


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