怎么用for myself造句

I bought it for myself.

我给我自己买的。

I do it just for myself
我做这是为了我自己

by myself 才是独立靠自己的意思

I cooked for myself tonight.
我今天晚上给自己做了顿饭

i do all the things is just for myself!

for myself 为了我自己
I bought a present for myself on my birthday.

for myself 独自地, 靠自己的力量
I finishd it all for myself.
我独自完成了它。