Má ég hleypa honum inn?

Má is the 1st person singular present of mega, which means may / be allowed to / can in the sense of permission.

So Má ég ...? is a very common way to ask:

• May I ...?
• Am I allowed to ...?
• sometimes simply Can I ...? in natural English

It is about permission, not mainly ability.

Because this is a yes/no question.

In Icelandic, yes/no questions often put the finite verb first:

• Ég má hleypa honum inn. = I may / am allowed to let him in.
• Má ég hleypa honum inn? = May I let him in?

So the word order changes in the question, much like English I may → May I.

Because after má, Icelandic uses the infinitive.

So:

• má = the conjugated modal verb
• hleypa = the infinitive, to let / to allow / to let through

This is similar to English:

• May I go?
• not May I goes?

Also, Icelandic modal verbs normally take a bare infinitive, meaning no að is used.

So:

• Má ég hleypa honum inn? = correct
• Má ég að hleypa honum inn? = not correct

Here hleypa means to let someone in / allow someone to enter.

A very common pattern is:

• hleypa einhverjum inn = let someone in

More generally, hleypa can also mean things like:

• let
• allow
• release
• set running / make move, depending on context

But in this sentence, with inn, the meaning is specifically let him in.

Because hleypa takes the dative case for the person being let in.

So the pronoun is not in the nominative (hann) but in the dative:

• hann = he
• honum = him

This is something English speakers often have to get used to in Icelandic: many verbs require a specific case for their object, and it is not always the accusative.

In this expression:

• hleypa honum inn = let him in

Other pronouns would also change accordingly:

• henni = her
• þeim = them
• mér = me
• þér = you

So for example:

• Má ég hleypa henni inn? = May I let her in?

Inn means in / inside in a directional sense: into a place.

In this sentence, it belongs with hleypa honum:

• hleypa honum inn = let him in

It comes at the end because Icelandic often places these small directional adverbs there in this kind of expression.

Compare:

• fara inn = go in
• koma inn = come in
• hleypa einhverjum inn = let someone in

So although English also says let him in, the word order here is very natural and idiomatic in Icelandic.

Grammatically, it is closer to May I let him in?, because má expresses permission.

In everyday English, people often say Can I let him in?, and that may be the most natural translation in many situations. But the Icelandic form is still based on the idea of being allowed.

If you wanted to focus more on ability rather than permission, Icelandic would more naturally use geta instead of mega.

So roughly:

• Má ég hleypa honum inn? = Am I allowed to let him in?
• Get ég hleypt honum inn? = Am I able to let him in? / Can I manage to let him in?

A rough guide for English speakers is something like HLAY-pa, but that is only approximate.

A few useful points:

• hl at the beginning is a special Icelandic sound; the h affects the l
• ey is pronounced somewhat like ay in say
• pa is short and clear

So hleypa is not pronounced like English help-a or hleep-a.

If you're learning pronunciation, it is especially worth listening carefully to words beginning with:

• hl
• hr
• hn

These are very characteristic in Icelandic.

It has some stem changes, so learners often experience it as somewhat irregular.

Useful forms include:

• að hleypa = to let / to run
• ég hleypi = I let / I run
• hleypti = past form
• hleypt = supine / past participle form used in some constructions

The important thing in your sentence is simply that after má, you use the infinitive:

• má ... hleypa

But yes, when you start conjugating it, you will notice vowel changes.

No, that would not be the normal Icelandic order.

The natural pattern is:

• hleypa einhverjum inn

So:

• Má ég hleypa honum inn? = correct

The pronoun honum comes before inn.

This is similar to several fixed verb + particle expressions in Icelandic, where the object comes before the directional adverb.

Yes. Má ég ...? is a normal and polite way to ask for permission.

It can sound:

• neutral
• respectful
• natural in everyday speech

Depending on tone and context, it can be anything from fairly polite to completely ordinary.

If you wanted to sound especially formal, the wider context would matter more than this sentence by itself. But on its own, Má ég hleypa honum inn? is perfectly natural and polite.

No, not normally.

It specifically asks about permission:

• Am I allowed to let him in?

It does not normally mean:

• Should I let him in?
• Do you want me to let him in?

Those ideas would be expressed differently in Icelandic.

So if you see Má ég ...?, think primarily of permission.