need sth for sth, need sth to do sth有区别吗?
I need water to water the flowers.
I need water for the flowers.
网友问:need sth for sth, need sth to do sth是否有区别,两者是否可以互换使用。
我觉得不能一概而论,要根据具体情况来判断。
1. 在意义很清楚的情况下,两者是可以互换使用的。例如:
I need some money for lunch. = I need some money to have lunch.我需要点钱吃午饭。
2.有时候意义并不清晰,例如:I need water for my pet dog.就可用于两种不同的场合:
a)宠物狗渴了。I need water to water my pet dog.我需要水给宠物狗喝。
b)宠物狗脏了。I need water to wash my pet dog.我需要水给宠物狗洗澡。
▲ need sth for sth和need sth to do sth均可用,如果一定要区分的话,介词短语的表达简练且笼统,而不定式表达比介词短语更丰富、更具体、更清楚。
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I need water to water the flowers. 我需要水给花浇水。
I need water for the flowers.我需要用于花的水。
(1) need +名词(1)+ for +名词(2) 这个结构为“for +名词(2)”为介词短语作后置定语修饰前面名词(1)
She has a sweater for school.
(2) need sth/sb to do sth 需要某物去做某事事情
She needs someone to look after her baby.
Tom needs some money to buy a pen.
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