to myself和by myself和for myself分别是什么意思要有把握才能回答哟

问题补充：

to myself和by myself和for myself分别是什么意思要有把握才能回答哟

答案：

to myself－”对我自己”

e.g.I talk to myself.我对自己说．

by myself－”自己一个人做”

e.g.I did the homework by meself.我是自己做的作业．

for meself－”为自己”

e.g.I bought a dress for myself.我给自己买了件裙子．