YOU SAID:

I appear to have a theoretical notion

INTO JAPANESE

私は理論的な概念を持っているように見える

BACK INTO ENGLISH

I seem to have a theoretical concept

INTO JAPANESE

私は理論的な概念を持っているようです

BACK INTO ENGLISH

I'm going to have a theoretical concept

INTO JAPANESE

私は理論的な概念を持つつもりです

BACK INTO ENGLISH

I'm going to have a theoretical concept