1.find强调找的“结果”,意指偶然发现或发现.
Forexample:1)IfoundMaryreadinganovelwhenpassedhisclassroom.
2)Ilookedformywatcheverywhereyesterday,butIcouldn'tfindit.
2.lookfor强调寻找的“动作”,不涉及结果.
Forexample:I'mlookingformyfriend--Gave.Haveyoueverseenit,Tom
3.findout强调“找出、查明、弄清楚”强调是通过hu调查,计算,实验,询问和努力得知
Forexample:1)you'dbetterfindoutthetimeofthenextplane,sothatwecanbookourticketsaheadoftime.
2)I'llfindoutwhohasbrokenthewindow.