הוא מעולם לא היה באצטדיון.

Yes, היה literally means was, and it is the masculine singular past form of להיות (to be).

In this sentence, Hebrew uses היה where English often uses has been:

• הוא מעולם לא היה באצטדיון.
• literally: He never was in/at the stadium
• natural English: He has never been to the stadium

This is very normal in Hebrew. Modern Hebrew often uses the past tense where English prefers the present perfect.

Because Hebrew does not have a tense that works exactly like the English present perfect.

English distinguishes between:

• He was at the stadium
• He has been to the stadium

Hebrew usually expresses both ideas with context, adverbs, and the regular past tense. So:

• הוא היה באצטדיון can mean He was at the stadium or, depending on context, He has been to the stadium
• הוא מעולם לא היה באצטדיון naturally means He has never been to the stadium

The word מעולם helps create that never ever / at no time sense.

מעולם לא means never or more literally never at any time.

It is a very common Hebrew way to say never:

• מעולם לא ראיתי את זה = I have never seen that
• מעולם לא הייתי שם = I have never been there

A useful point: לא is still needed.
So Hebrew says:

• מעולם לא... not just
• מעולם...

Think of מעולם לא as a fixed expression meaning never.

By itself, מעולם literally comes from עולם, a word connected with world, age, or eternity, depending on context and register.

In modern everyday usage, learners should mostly remember:

• מעולם לא = never

You do not need to analyze it literally every time. In this sentence, it functions as an adverb meaning never.

Both spellings may be seen, but אצטדיון is the standard modern spelling.

The word means stadium.
In the sentence, באצטדיון is made of:

• ב־ = in / at
• ה = the
• אצטדיון = stadium

So ב + ה + אצטדיון becomes באצטדיון, meaning:

• in the stadium
• at the stadium

Depending on context, English may translate this as to the stadium when talking about experience, as in has never been to the stadium.

Because when the preposition ב־ (in/at) attaches to a noun with ה־ (the), they combine.

So:

• ב + ה + אצטדיון becomes
• באצטדיון

This is the same pattern you see in many words:

• בבית = in the house
• בשולחן = on the table
• בספר = in the book

So באצטדיון is not just in a stadium. It usually means in/at the stadium.

Because English and Hebrew package this idea differently.

Hebrew says:

• היה ב... = was in/at...

But when speaking about life experience, English often prefers:

• has been to...

So:

• הוא מעולם לא היה באצטדיון literally: He was never at the stadium idiomatically: He has never been to the stadium

The Hebrew sentence focuses on his having never been there, not on the direction of motion.

Yes, but it means something different.

• הוא מעולם לא היה באצטדיון = He has never been to / never been at the stadium
• הוא מעולם לא הלך לאצטדיון = He never went to the stadium

הלך focuses on the action of going.
היה focuses on being there / having that experience.

So if you mean he has never visited or been there, היה באצטדיון is the better match.

This is a very natural Hebrew word order.

A rough structure is:

• הוא = subject
• מעולם לא = never
• היה = was/has been
• באצטדיון = at/in the stadium

Putting מעולם לא before the verb is standard and common.
It highlights the negation clearly:

• He never was / has never been...

Other word orders may exist in special contexts, but this sentence is the neutral, natural version.

People might understand it, but it sounds less natural in ordinary speech.

The most normal order is:

• הוא מעולם לא היה באצטדיון

That is the standard way to say He has never been to the stadium.

So as a learner, it is best to memorize מעולם לא as a unit that usually comes before the verb.

In Modern Hebrew, the verb to be is usually omitted in the present tense, but it appears in the past and future.

So:

• הוא באצטדיון = He is in the stadium but
• הוא היה באצטדיון = He was in the stadium

That is why this sentence needs היה: it is in the past-time form used for has never been / was never.

The verb would need to agree in gender.

• הוא מעולם לא היה באצטדיון = He has never been to the stadium
• היא מעולם לא הייתה באצטדיון = She has never been to the stadium

The change is:

• היה = masculine singular
• הייתה = feminine singular

Hebrew past-tense verbs agree with the subject.

A common pronunciation is:

hu me'olam lo haya ba'itztadion

Word by word:

• הוא = hu
• מעולם = me'olam
• לא = lo
• היה = haya
• באצטדיון = ba'itztadion

A learner tip: in fast speech, the sentence flows quite smoothly, and מעולם לא often sounds like a familiar chunk.

It is definite: the stadium.

That is because ב־ has merged with ה־:

• באצטדיון = in/at the stadium

If you wanted in a stadium, you would normally have just באצטדיון in unpointed writing only if context made it ambiguous, but in principle the definite form is what this spelling usually signals. In practice, native speakers understand באצטדיון here as at the stadium / in the stadium, usually definite.

It is completely natural and neutral.

• מעולם לא is common and standard
• היה באצטדיון is ordinary Hebrew
• the whole sentence sounds normal in both writing and speech

A slightly more conversational version with a different word for never can exist in speech, but מעולם לא is a very useful and standard expression to learn.