be good at后面应该加 动词原形 动词ing形式? be good at 后面加动词要加ing吗？为什么？

is be good at\u540e\u9762\u52a0\u52a8\u8bcd\u539f\u5f62\u8fd8\u662fing\u5f62\u5f0f

be
good
at\u4e2d\u7684at\u662f\u4ecb\u8bcd\uff0c\u4ecb\u8bcd\u8eab\u540e\u63a5\u540d\u8bcd
\uff0c\u800c\u52a8\u8bcd\u53d8\u540d\u8bcd\uff0c\u53d8\u6210\u52a8\u540d\u8bcd\uff0c\u52a0ing\uff0c\u53d8\u6210v.ing\u5f62\u5f0f\uff0c\u4f8b\u5982\uff1aswimming\u3002

\u5e94\u8be5\u8ddf\u52a8\u8bcding\u5f62\u5f0f\u3002
at \u662f\u4ecb\u8bcd\uff0c\u4ecb\u8bcd\u540e\u9762\u8981\u8ddf\u540d\u8bcd\u6216\u52a8\u540d\u8bcd\u5373\u52a8\u8bcd\u7684ing\u5f62\u5f0f
be good at doing sth \u64c5\u957f\u505a\u67d0\u4e8b\u3002
\u4f8b\u5982\uff1aHe is good at swimming. \u4ed6\u64c5\u957f\u6e38\u6cf3\u3002
\u52a8\u8bcd\u7684-ing\u5f62\u5f0f\u4e5f\u662f\u4e00\u79cd\u975e\u8c13\u8bed\u52a8\u8bcd\u3002-ing\u5f62\u5f0f\u4ecd\u4fdd\u7559\u6709\u52a8\u8bcd\u7684\u7279\u5f81\uff0c\u53ef\u4ee5\u5e26\u6709\u5176\u6240\u9700\u8981\u7684\u5bbe\u8bed\u6216\u72b6\u8bed\u800c\u6784\u6210-ing\u77ed\u8bed\u3002
-ing\u7684\u5f62\u5f0f\uff1a-ing\u6709\u4e00\u822c\u5f0f\u548c\u5b8c\u6210\u5f0f\u3002\u53ca\u7269\u52a8\u8bcd\u7684-ing\u8fd8\u6709\u4e3b\u52a8\u8bed\u6001\u548c\u88ab\u52a8\u8bed\u6001\uff0c\u800c\u4e0d\u53ca\u7269\u52a8\u8bcd\u7684-ing\u5219\u6ca1\u6709\u88ab\u52a8\u8bed\u6001\u3002
-ing\u5f62\u5f0f\u7684\u57fa\u672c\u7528\u6cd5\u3002\uff081\uff09\u4f5c\u4e3b\u8bed\uff1aSeeing is believing.\u767e\u95fb\u4e0d\u5982\u4e00\u89c1\u3002Talking is easier than doing. -ing\u4f5c\u4e3b\u8bed\u65f6\uff0c\u5982\u679c\u5176\u7ed3\u6784\u8f83\u957f\uff0c\u53ef\u7528it\u4f5c\u5f62\u5f0f\u4e3b\u8bed\uff0c\u800c\u5c06\u4f5c\u4e3b\u8bed\u7684-ing\u540e\u7f6e\u3002\u5982\uff1aIt isn't much good writing to them again. It's no use waiting here.\uff082\uff09\u4f5c\u8868\u8bed\uff1aHer job is washing and cooking. My hobby is collecting stamps.\uff083\uff09\u4f5c\u5bbe\u8bed\uff1a\u2460\u4f5c\u53ca\u7269\u52a8\u8bcd\u7684\u5bbe\u8bed\u3002She likes drawing very much.\uff1b\u2461\u4f5c\u67d0\u4e9b\u77ed\u8bed\u52a8\u8bcd\u7684\u5bbe\u8bed\u3002\uff084\uff09\u4f5c\u5b9a\u8bed\uff1aThe sleeping child is only five years old. Do you know the man standing at the gate? \u6ce8\uff1a-ing\u5f62\u5f0f\u4f5c\u5b9a\u8bed\u7528\u65f6\uff0c\u5982\u679c-ing\u53ea\u662f\u4e00\u4e2a\u5355\u8bcd\uff0c\u5c31\u4f4d\u4e8e\u5176\u4fee\u9970\u7684\u540d\u8bcd\u4e4b\u524d\uff0c\u5982\u679c\u662f-ing\u77ed\u8bed\uff0c\u5c31\u4f4d\u4e8e\u5176\u4fee\u9970\u7684\u540d\u8bcd\u4e4b\u540e\uff0c-ing\u4f5c\u5b9a\u8bed\u65f6\uff0c\u88ab-ing\u6240\u4fee\u9970\u7684\u540d\u8bcd\u5c31\u662f\u8be5-ing\u7684\u903b\u8f91\u4e3b\u8bed\u3002\u53e6\u5916\uff0c-ing\u4f5c\u5b9a\u8bed\u7528\u65f6\uff0c\u5176\u52a8\u4f5c\u548c\u53e5\u5b50\u8c13\u8bed\u52a8\u8bcd\u6240\u8868\u793a\u7684\u52a8\u4f5c\u662f\u540c\u65f6\u8fdb\u884c\u7684\uff0c\u5982\u679c\u4e0d\u662f\u540c\u65f6\u8fdb\u884c\u7684\uff0c\u5c31\u4e0d\u80fd\u7528-ing\u4f5c\u5b9a\u8bed\uff0c\u8981\u4f7f\u7528\u5b9a\u8bed\u4ece\u53e5\uff0c\u5982\uff1aThe girl who wrote a letter there yesterday can speak English very well.\uff085\uff09\u4f5c\u5bbe\u8bed\u8865\u8db3\u8bed\uff1aWe can see steam rising from the wet clothes. \u6ce8\uff1a\u5f53-ing\u5728\u590d\u5408\u5bbe\u8bed\u4e2d\u4f5c\u5bbe\u8bed\u8865\u8db3\u8bed\u7528\u65f6\uff0c\u53e5\u4e2d\u5bbe\u8bed\u5c31\u662f\u8fd9\u4e2a-ing\u7684\u903b\u8f91\u4e3b\u8bed\uff0c\u53ef\u4ee5\u5e26\u6709\u8fd9\u79cd\u590d\u5408\u5bbe\u8bed\u7684\u52a8\u8bcd\u6709see, watch, hear, observe, feel, find, have, keep\u7b49\u3002\uff086\uff09\u4f5c\u72b6\u8bed\uff1a\u2460\u65f6\u95f4\u72b6\u8bed\uff1aSeeing Tom, I couldn't help thinking of his brother. \u5206\u8bcd\u5728\u53e5\u4e2d\u4f5c\u65f6\u95f4\u72b6\u8bed\u65f6\uff0c\u5176\u524d\u4e00\u822c\u53ef\u52a0when\u6216while\uff0c\u5982\uff1aWhen crossing street, you must be careful. \u2461\u539f\u56e0\u72b6\u8bed\uff1aBeing ill, he didn't go to school yesterday. \u2462\u65b9\u5f0f\u6216\u4f34\u968f\u72b6\u8bed\uff1aMary stood at the school gate waiting for Betty.

应该
跟
动词ing形式。
be
good
at
doing
sth
擅长做某事
例如：He
is
good
at
swimming.
他擅长游泳。

扩展阅读：be good at doing ... be good at后加什么 ... i am good at后面跟什么 ... be good at后面跟什么 ... goodat后面加动词原形 ... thank you for后面跟什么 ... be good at swim对吗 ... begoogat后面接动词ing吗 ... be good at后面接什么形式 ...