I've often wanted to be a Instructor. I have often planned to be an actor. I have constantly needed to certainly be a mom. 個人的には「憧れる」は「I've generally planned to ～」で表すことが多いです。 「to」の後には動詞の原形が入ります。 「I have generally desired to ～」を直訳すると「ずっと～�