You’re thinking in terms of location, rather than state-of-being. “I’m home” is your status.
“I’m driving, I am bored, I’m safe, I am away”… None of those sound weird, do they? This, combined with the more technical grammar rules others have commented…
Because home isn’t a normal location, it’s “home”.
It’s where you’re from.
Like, no one says “I’m house” or “I’m apartment building” because it’s not about the physical structure. It’s about being where the heart is. How many pillows do Grandmas need to stitch that on?
It’s because “home” in this formation is an adverb, whereas school is a noun. You can be an adverb- I’m surprised, I’m exhuasted… - but you must be at a noun (or on, or in, or some other preposition).
Honey, I am at home!
honestly I never even noticed that. But I did learn English like a native would - through near total immersion, and mainly monolingually instead of through translation. Whenever I learnt something new I was just like “alright so that’s how I say the thing”.
To be perfectly honest, if your language teacher points out that “I’m home” is a unique case I’d say that’s a bad move, because now you’ll second guess yourself every time you want to say it & might make mistakes you otherwise wouldn’t.
This goes for all linguistic quirks imo, so many “watch carefully for those little bits” that instead of helping you learn they make you confused. Imagine learning about through thought though taught tough throughout thorough all in one day because “they’re all very similar but very different! we put them all in the same spot to make sure you don’t get them confused :)” it’s a mental cluster fuck trying to remember which is which when you have all of them in one spot, the way to learn them is to have examples of their uses scattered across the ciriculum so that when you encounter one you can commit it to memory before you see the next one
It’s not amazing that you understand the omission of an unnecessary word
where did i say it was?
It’s not amazing for anyone to understand if you leave out an unnecessary word. It happens in all languages, even those not connected to civilization at large because humans intuitively understand. You don’t need to explain how you immerse yourself in language or anything, it’s impossible to misunderstand the omission of an unnecessary word
I simply gave context to how I learn English, nowhere did I say that it’s amazing that I understood an omission of a word, in fact I said that I never noticed how it was omitted until it was pointed out. What are you on about?
I am telling you something Why are you so defensive? You’re entire argument implies that it is interesting that omitting a word can be understood
You misunderstood what I wrote and are arguing with me about something I didn’t say, you made up that implication yourself
What did I misunderstand?
No, actually it’s not even tickling any resemblance of confusion
You’re clearly fluent if you describe “tickling any resemblance” of an effect. Learners would likely say something akin to “make me confused” or similar or less.
Maybe, I don’t know what counts as fluent. But I am learning
