如题，举几个例子，什么时候用哪个。
need to 表示“需要做某事”， 而should表示“应该做某事”。比如：我需要学好英语——“I need to study English well”是客观需求。而“我应该学好英语”——I should study English well是主观上的意愿或要求。
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第1个回答 2009-10-20
need，需要
need to do sth需要去做某事
如：I need to do my homework.
we need to clean the classroom
should 应该，情态动词
后面用动词原形should do sth
如：You should help your mother with the housework
Everyone should play sports everyday.
need to do sth需要去做某事
如：I need to do my homework.
we need to clean the classroom
should 应该，情态动词
后面用动词原形should do sth
如：You should help your mother with the housework
Everyone should play sports everyday.
第2个回答 2009-10-20
语气强弱而已
NEED TO有不得不做的意思
SHOULD只有建议的意思
NEED TO有不得不做的意思
SHOULD只有建议的意思
第3个回答 2009-10-20
need to是需要去做什么，should是应该去做什么。
