请大家帮忙翻译一下以下句子

1.whose pen is this?
2.this is the pencil which I just want to find.
3.this is the pen(that) I lost.

1.whoes pen is this

2.this is the pencil which i am looking for

3.this is the pen which i have lost

1.Is this fountain-pen a whose?
2.This is the pencil that I want to seek.
3.This is the pen that I throw to lose.

1.这枝钢笔是谁的？
Who is this sticks pen?
2.这是我要找的铅笔。
This is what I find the pencil.
3.这是我丢失的笔.
This is my lost T.

who is the pan?

Thes is my find pan.

1.Whoes pen it is.
2.This is a pencil which i am looking for.
3.This is my lost pen.