need后面什么时候加to 什么时候不加 Need需要这个单词什么时候加to什么时候不加to
need\u540e\u9762\u4ec0\u4e48\u65f6\u5019\u52a0to \uff0c\u4ec0\u4e48\u65f6\u5019\u4e0d\u52a0\uff1f\u5e94\u8be5\u662f\u5f53\u662f\u5b9e\u5f79\u52a8\u8bcd\u65f6\u52a0to \uff0cneed to do sth.\u505a\u60c5\u6001\u52a8\u8bcd\u65f6\u4e0d\u52a0to \uff0c need do sth.
\u8fd8\u6709\u5f88\u591a\u5355\u8bcd\u90fd\u662f\u65e2\u53ef\u505a\u5b9e\u5f79\u52a8\u8bcd\u4e5f\u53ef\u4ee5\u505a\u60c5\u6001\u52a8\u8bcd\u7684\uff0c\u6bd4\u5982\uff0cdare
\u6211\u53ef\u4ee5\u544a\u8bc9\u4f60\u505a\u60c5\u6001\u52a8\u8bcd\u548c\u5b9e\u4e49\u52a8\u8bcd\u7684\u533a\u522b\uff1a
\u505a\u60c5\u6001\u52a8\u8bcd\u65f6\uff1a\u6ca1\u6709\u975e\u9650\u5b9a\u5f62\u5f0f\uff0c\u5373\u6ca1\u6709\u4e0d\u5b9a\u5f0f\u3001-ing\u5206\u8bcd\u6216-ed\u5206\u8bcd\u7b49\u5f62\u5f0f\uff1b\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u73b0\u5728\u65f6\u6ca1\u6709\u8bcd\u5f62\u53d8\u5316\uff0c\u4f8b\uff1ashe need do some homework. (need\u4e0d\u52a0S\uff09
need\u201d\u4f5c\u4e3a\u5b9e\u4e49\u52a8\u8bcd\u65f6\uff0c\u901a\u5e38\u7528\u6cd5\u662f\uff1a
\u4eba\uff0bneed \uff0bto do
\u7269\uff0bneed \uff0bdoing
\u7269\uff0bneed \uff0bto be done \u5b83\u5c31\u6709\u975e\u9650\u5b9a\u5f62\u5f0f\uff0c\u6709\u4e0d\u5b9a\u5f0f\u3001-ing\u5206\u8bcd\u6216-ed\u5206\u8bcd\u7b49\u5f62\u5f0f\u4e86
\u4f8b\uff1aMy car needs repairing\uff0e\u6211\u7684\u6c7d\u8f66\u9700\u8981\u4fee\u7406\u3002
The flowers need watering\uff0e\u8fd9\u4e9b\u82b1\u9700\u8981\u6d47\u6c34
\u201cneed\u201d\u65e2\u53ef\u4ee5\u4f5c\u60c5\u6001\u52a8\u8bcd\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u5b9e\u4e49\u52a8\u8bcd\uff0c\u4f46\u662f\u5b83\u4eec\u7684\u7528\u6cd5\u4e0d\u540c\u3002
\u4f5c\u4e3a\u60c5\u6001\u52a8\u8bcd\u7684\u201cneed\u201d\u7684\u7528\u6cd5\u4e0e\u5176\u4ed6\u60c5\u6001\u52a8\u8bcd\u201ccan\u201d\uff0c\u201cmay\u201d\uff0c\u201cmust\u201d\u7684\u7528\u6cd5\u57fa\u672c\u76f8\u540c \u201cneed\u201d\u4f5c\u4e3a\u5b9e\u4e49\u52a8\u8bcd\u65f6\uff0c\u901a\u5e38\u7528\u6cd5\u662f\uff1a \u4eba\uff0bneed \uff0bto do
He needs to come before seven.（实义动词）
He doesn't need to come before seven.(实义动词)
He needn't come before seven.(情态动词)
need 做情态动词时后面不加to
做实意动词时后面需要to
扩展阅读：人need doing物needtodo ... 什么时候用to do不定式 ... 什么时候加to do全部 ... need to be后面接什么 ... 为什么need doing表被动 ... need后面加todo还是doing ... need直接加do ... need help为什么不加to ... need后面的to可以省略吗 ...
