look是一个不及物动词！根据时态的变化，表现为不同的形式！looking现在分词,跟现在进行时连用He is looking at the moon.looking 动名词 I like looking at the sky.
looked过去式和一般过去时连用！He looked at the blackboard when the teacher entered the classroom.
looks三单形式，和一般现在时连用
looked过去分词，I have looked
look的意思
vt.&vi.看，瞧
vi.注意,面向,寻找看起来好像
n.看相貌,眼神样子
int.喂，听我说
变形:
过去式:looked;
现在分词:looking
过去分词:looked;
look词组|习惯用语
look at v.看;考虑;着眼于
look for寻找
look forward 期待;盼望
take a look看一下
have a look看一下，看一眼;
look into 观察窥视:浏览
look up 仰望;查阅;尊敬;拜访
look after 照顾;关心;目送
look back 回顾;回头看
look in 看望;顺道访问
take a look at [口]看一看;检查
look on 观看，旁观;看待
look around 游览，到处察看到处寻找
have a look at 看一看，看一眼 look upon 看待;把…看作
look out注意;面朝;照料
look good看起来很好看
look down 俯视;向下看;用目光慑服…[股]看跌
new look新面目，新气多
look as把…看作
