YOU SAID:

I would love to want to need her.

INTO JAPANESE

私は彼女を必要としたいと思っています。

BACK INTO ENGLISH

I am thinking of needing her.

INTO JAPANESE

私は彼女を必要と思っています。

BACK INTO ENGLISH

I think that I need her.

INTO JAPANESE

私は彼女が必要だと思う。

BACK INTO ENGLISH

I think that she needs it.

INTO JAPANESE

彼女はそれが必要だと思う。

BACK INTO ENGLISH

I think that she needs it.