それは自分自身で作ったんですか？の英語

Did you make it by yourself?

You built that all by yourself?

Did you do it by yourself?

Did you do this on your own?

You yourself did it.＝You did it yourself.

Did you plan it yourself?

You yourselves did it.＝You did it yourselves.

I didn't make it myself.

Did you do this on your own?

I made it myself.

You do that alone?

an object of one's own making

a hand-made thing made by oneself

You can make that yourself.

Why don't you make it yourself?

I'll do it myself.

something of one's own making

Are you planning to do that by yourselves?

Are you planning to do that by yourself?

Did you study by yourself?

Make it myself

Did you make this?

Did you study by yourself?

I will do it myself.

something that one has made by him or herself

an act of making by oneself

Do it yourself.

an article that has been sewn by oneself

an act of making something for oneself

I didn't do it for my own sake.