look at sb do 还是look at sb doing？ 请问什么时候用 see sb doing sth 什么时候用...
watch sb do/doing sth;see sb do/doing sth;lookat sb do/doing sth;\u2026\u2026\u6b63\u786e\u5417?\u6539\u6b63?\u662f\u5bf9\u7684
\u611f\u5b98\u52a8\u8bcd see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do\u8868\u793a\u52a8\u4f5c\u7684\u5b8c\u6574\u6027\uff0c+doing \u8868\u793a\u52a8\u4f5c\u7684\u8fdb\u884c\u6027\u3002\u4f8b\u5982\uff1a
I saw him work in the garden yesterday. \u6628\u5929\u6211\u770b\u89c1\u4ed6\u5728\u82b1\u56ed\u91cc\u5e72\u6d3b\u4e86\u3002\uff08\u5f3a\u8c03"\u6211\u770b\u89c1\u4e86"\u8fd9\u4e2a\u4e8b\u5b9e\uff09
I saw him working in the garden yesterday.\uff08\u5f3a\u8c03"\u6211\u89c1\u4ed6\u6b63\u5e72\u6d3b"\u8fd9\u4e2a\u52a8\u4f5c\uff09\u6628\u5929\u6211\u89c1\u4ed6\u6b63\u5728\u82b1\u56ed\u91cc\u5e72\u6d3b\u3002
find \u4e5f\u662f\u5982\u6b64
\u8fd9\u4e9b\u8bcd\u52a0doing \u6216 do \u4e3b\u8981\u662f\u770b\u8981\u5f3a\u8c03\u7684\u662f\u67d0\u4e2a\u52a8\u4f5c\u53d1\u751f\u7684\u4e8b\u5b9e\u8fd8\u662f \u5f3a\u8c03\u53d1\u751f\u7684\u8fc7\u7a0b
\u524d\u8005\u662f\u6307\u201c\u65e0\u610f\u4e2d\u201d\u201c\u5076\u5c14\u201d\u770b\u5230\u67d0\u4eba\u5728\u505a\u67d0\u4e8b
\u540e\u8005\u6307\u7684\u662f\u4e00\u4e2a\u6709\u610f\u8bc6\u7684\u52a8\u4f5c\u884c\u4e3a\uff0c \u610f\u5373\u7279\u5730\u53bb\u770b\u67d0\u4eba\u5728\u505a\u67d0\u4e8b
\u5982\u4e0d\u660e\u767d\u8bf7\u8ffd\u95ee\uff0c\u5982\u679c\u6ee1\u610f\u8bf7\u91c7\u7eb3
\u624b\u673a\u63d0\u95ee\u8005\u5982\u679c\u6ee1\u610f\uff0c\u8bf7\u5728\u5ba2\u6237\u7aef\u53f3\u4e0a\u89d2\u8bc4\u4ef7\u70b9\u201c\u6ee1\u610f\u201d\u5373\u53ef\uff0c \u8c22\u8c22\uff01
\u795d\u5b66\u4e60\u8fdb\u6b65
前者表示经常发生或看到听到做完了某事,
后者表示看到听到某人正在做某事.
根据你所用的动词look at ,应该用DOING
五官词用法类同 look at sb do 表示看得全过程
look at sb doing 表示正在看
look at sb doing sth
扩展阅读：what a fun it is to do ... look up to doing sth ... look at sb in the eye ... get a terrible surprise ... how was your weekend ... look sb doing sth ... have fun doing ... a weekend to remember ... look for sb to do ...
