What do you hate most about Spanish?
I hate doing verbs. They are to difficult. 
18 Answers
Nothing really. Spanish is a beautiful language.
If you find yourself hating a language, you might want to question both your methodology and motivation for learning. One or both of these might be the actual cause for such feelings (and not the language itself).
I hate that I didn't get to learn it when I was three years old.
Everybody seems to hate the subjunctive - but I like it. Only I get distracted by so many other basic concerns of expression, vocabulary, and basic grammar, that I often forget to feel the subjunctive mood. I hope that comes easier later on.
This thread exemplifies the opposite attitude that successful polyglot recommend in order to learn languages: to enjoy the language, using it as much as possible. Instead of doing that, let's spend a lot of time feeling self pity and reinforcing the idea that learning Spanish is an unattainable goal. A very productive activity.
Good luck!
The subjunctive of course.
If only Spanish had some Modals.
Update
This is what I found for Spanish Modals
They look like normal verbs to me.
I cannot think of anything I hate about the Spanish language - it is a beautiful language with many many attractive qualities - but there are some things I find frustrating about it which include
1 Grappling with use of the subjunctive - mostly imperfect subjunctive (occasionally present subjunctive: when/when not to use it!)
2 Learning formal ways of expressing the language in order to help people here with writing something for a formal document
3 Having/needing to learn specialist words eg jargon in addition to the vast everyday vocabulary that GuitarWarrior has already mentioned
4 Learning to use complex verb constructions
eg a) Habría hecho la misma (cosa) = I would have done the same (thing)
b) Debería haber recordado llamar a mi madre por teléfono para decirle, ''¡Feliz cumpleaños!''
= I should have remembered to call my mother to say, ''Happy Birthday''
Corregid mi español, por favor 
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I don't really hate anything about it... I have trouble with some conjugations still, mainly future tense... but I actually love Spanish and everything (especialmente las latinas) that comes with it.
I hate the irregular verbs!!! in every tense!!!
Well... I guess I just have to learn them.
I find it difficult to remember the verb conjugations when I am speaking, I am getting there slowly in written work as I have more time to think then.
I hate that I am not fluent in it yet 
What I don't like most is learning vocab. Grammar has a pretty finite set of rules to remember as compared to the numerous specific words to memorize in vocab. What's worse is... by the end of the day, I forget some of the words!
I love the Spanish language in every way!!! The only thing I hate is the fact that I am not fluent yet!!! 
I would not say "hate" in my case, but I have some troubles with pronouns. All of them sound for me like a nice spanish song "le-lo-la-les" so far.
I quite dislike using the wrong word at the wrong time. For instance, saying "tengo hombre" instead of "tengo hambre". Quite embarrasing actually!! 
FELIZ77
Debería haber recordado llamar a mi madre por teléfono para decirle ¡Feliz cumpleaños!
