In Auxiliaries^x, Simple past^x

Auxiliary verbs are "be, have, will" because those are the ones which are needed to built up all the tenses except simple present and simple past: I HAVE seen a rainbow. I WAS writing a letter. I WILL go to Brussels tomorrow. I HAVE BEEN watching a movie. also passive: A letter WAS BEING...

I didn't HAVE a crush on anybody. To make a sentence negative in the simple past, you need to have the auxiliary in the simple past and the verb in the infinitive without to. The positive would be: I had a crush on him.

simply put, the 2nd and 3rd "would" are both auxiliary verbs... same subject, same tense, and therefore one may be eliminated, no problem. i do agree with the suppression of the first would as well (and substitute the simple past) since the "would" (2nd in the original sentence) would supply the...