英语中动词开头的句子，什么时候用ing形式、什么时候用to+ 动词原形、什么时候用动词原形？各举一例。 英语中 动词做句子开头什么时候加ing什么时候在动词前面加t...
\u82f1\u8bed\uff1a\u52a8\u8bcd\u5f00\u5934\u7684\u53e5\u5b50\uff0c\u4ec0\u4e48\u65f6\u5019\u7528ing\u5f62\u5f0f\u3001\u4ec0\u4e48\u65f6\u5019\u7528to \u52a8\u8bcd\u539f\u5f62\uff1f\u968f\u4fbf\u5566\uff0c\u770b\u4e2a\u4eba\u559c\u597d\u3002\u4f46\u8981\u6ce8\u610f\u65e0\u8bba\u54ea\u4e00\u79cd\uff0c\u8c13\u8bed\u8981\u7528\u5355\u6570\u3002\u82e5\u52a8\u8bcd\u4e0d\u5b9a\u5f0f\u592a\u957f\uff0c\u6700\u597d\u7528it\u4f5c\u5f62\u5f0f\u4e3b\u8bed\uff0c\u5c06\u4e0d\u5b9a\u5f0f\u653e\u5230\u53e5\u540e\uff0c\u5373 It is(was)\u2026 to do\u2026\u770b\uff1a
(To eat too much junk food every day) is bad for your health.\u53ef\u6362\u4e3a\uff1a
It is bad for your health (to eat too much junk food every day.)
ing\u5f62\u5f0f\u53ea\u6709\u52a8\u8bcd\u624d\u6709\uff0c\u52a0\u4e86ing\u4f7f\u52a8\u8bcd\u8bcd\u6027\u53d8\u4e3a\u540d\u8bcd\u3002\u4e5f\u5c31\u662f\u52a0\u4e86\u4e4b\u540e\u4e0d\u80fd\u505a\u8c13\u8bed\u3002\u4f60\u5c1a\u53ef\u628a\u5b83\u5f53\u4f5c\u540d\u8bcd\u4f7f\u7528\u3002\u6bd4\u5982for\of\with\u4e4b\u540e\u3002
\u4f8b:He could express everything with dancing.
dance\u662f\u52a8\u8bcd \u52a0ING\u5c31\u4e3a\u540d\u8bcd\u4e86
\u52a8\u8bcd\u8868\u793a\u5b83\u539f\u610f\u65f6\u5c31\u662f\u539f\u5f62\u554a\uff0c\u5c31\u5145\u5f53\u8c13\u8bed\u4e86\u554a.
\u60c5\u6001\u52a8\u8bcd\u540e\u52a0\u539f\u5f62\uff0c\u52a8\u8bcd\u4e0d\u5b9a\u5f0f\u540e\u4e5f\u52a0\u539f\u5f62\u3002\u8fd9\u4e24\u70b9\u8bb0\u7262\u3002
to\u8fd9\u4e2a\u5355\u8bcd\u5b83\u5f88\u7075\u6d3b\uff0c\u4f46\u4e3b\u8981\u7528\u4e8e\u4f5c\u4e0d\u5b9a\u5f0f\u6210\u5206\uff0c\u4e3a\u4ec0\u4e48\u53eb\u5b83\u4e0d\u5b9a\u5f0f\uff1f\u56e0\u4e3a\u52a8\u8bcd\u5206\u53ca\u7269\u52a8\u8bcd\u548c\u4e0d\u53ca\u7269\u52a8\u8bcd\uff0cto\u4f5c\u4e0d\u5b9a\u5f0f\u5c31\u662f\u8981\u4fee\u9970\u4e0d\u53ca\u7269\u52a8\u8bcd\u540e\u9762\u7684\u4e0d\u5b9a\u6210\u5206\u3002
\u6bd4\u5982\uff1a\u6211\u8981\u53bb\u770b\u4e66\u4e86 \u3002
I'll going to read some books.
\u5728\u8fd9\u91ccgo\u4e0d\u53ca\u7269\u52a8\u8bcd\uff0c\u8981\u53bb\u5e72\u4ec0\u4e48\u5462\uff1f\u53bb\u770b\u4e66\u3002
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\u4e0a\u9762\u7684\u597d\u8c61\u8bf4\u7684\u4e0d\u592a\u6e05\u695a\uff0c\u518d\u6bd4\u5982\uff1a
He comes here to take his books away.
to take...\u4e3a\u4e0d\u5b9a\u5f0f\u77ed\u8bed\uff0c\u6240\u4ee5take\u5c06\u4e0d\u5728\u53e5\u5b50\u6574\u4f53\u4e2d\u4f5c\u8c13\u8bed\uff0c\u8fd9\u6837\u53e5\u5b50\u5c31\u4e0d\u4f1a\u56e0\u51fa\u73b02\u4e2a\u8c13\u8bed\u800c\u9519\u4e71
所谓非谓语动词就是不能做动词使用的词，一般非谓语动词分为三类：-ing, -ed, to do.
-ing: 这表示主动，表现在。例：Finishing the homework, I go to play with my friends.这里用-ing 是因为表主动，主语是I, 是I发出来的动作finish.所以用-ing.
-to do: 表主动，将来。例：To finish this homework, I need more time.这里用-to do 是因为表主动，主语是I, 是I发出来的动作finish.但不同之处是，这也表将来，要完成作业需要更多的时间，所以用-to do.
-ed 是表被动，过去。例：Given more time, I finished the homework.
同时-ing也可以解释为动名词，放在句首做主语。例：Seeing is believing. 眼见为实
也可说成 To see is to believe. 这是英语中的对称结构。
DO 动词原形应该用于祈使句。例：Open the door, please!
用ing形式、用to+ 动词原形开头都是充当句子主语。
Seeing is believing. 眼见为实 ＝ To see is to believe.
用动词原形开头，为祈使句。
Help me with my English, please.
区别在：
表示泛指意义的行为时，多用动名词（也可用动词不定时）作主语；
但表示具体的行为（特别是将来的行为）时，必须用动词不定时作主语。如；
Seeing is believing . 眼见为实．
To see is to beilieve . 眼见为实．
To refuse him is not easy this time.这次很难拒绝他。
不能说；refuseing him is not easy this time.
动名词作主语表示一般或抽象的多次性动作。
Doing exercise can help you keep healthy.
不定式作主语表示具体的或一次性的动作，特别是将来的动作。
To be an actor is his dream.
to do作主语时，通常用it作形式主语，把不定式放在后面.
It's difficult to be an actor.
to带有目的性
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绛旓細鍏呭綋涓昏鐨勬椂鍊锛屾瘮濡傦細Reading is good for you to keep your mind peace.璇讳功鑳借浜哄績闈欍
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