Mi subskribas la formularon.

In Esperanto, -as is the present-tense verb ending. It is used for all subjects:

• mi subskribas = I sign / am signing
• vi subskribas = you sign / are signing
• ili subskribas = they sign / are signing

Unlike English, the verb does not change for different persons.

It can mean either one, depending on context.

Esperanto’s present tense often covers both:

• English simple present: I sign
• English present progressive: I am signing

If you want to make right now extra clear, you can add nun:

• Mi nun subskribas la formularon. = I am signing the form now.

The dictionary form is subskribi, which is the infinitive, meaning to sign.

Esperanto verbs have regular endings:

• -i = infinitive: subskribi = to sign
• -as = present: subskribas
• -is = past: subskribis
• -os = future: subskribos

It looks similar, but its usual meaning is to sign, not to subscribe in the English sense of paying for a service or magazine.

It is built from:

• sub- = under
• skribi = to write

So the idea is literally something like to write underneath, which became to sign.

If you mean English subscribe as in a newspaper, channel, or service, Esperanto usually uses aboni.

La is the definite article, meaning the.

So la formularon means the form, a specific form.

If you said formularon without la, it would usually mean a form:

• Mi subskribas la formularon. = I am signing the form.
• Mi subskribas formularon. = I am signing a form.

No. La is always la.

It does not change for:

• singular or plural
• gender
• case

So Esperanto is simpler than languages where the has several forms.

The -n is the accusative ending. It marks the direct object of the verb, meaning the thing receiving the action.

Here:

• Mi = the subject, the one doing the action
• subskribas = the action
• la formularon = the thing being signed

So formularon gets -n because it is the direct object.

It is singular.

Here is the pattern:

• formularo = form
• formularoj = forms
• formularon = form, as a direct object
• formularojn = forms, as direct objects

So -o marks a singular noun, -oj marks plural, and -n marks the accusative.

Because mi is the subject, not the direct object.

In this sentence, mi is the one doing the signing, so it stays mi.

But pronouns can take -n when they are objects:

• mi = I
• min = me

For example:

• Li vidas min. = He sees me.

Yes, Esperanto allows more flexibility than English because the -n ending shows which noun is the object.

So these both work:

• Mi subskribas la formularon.
• La formularon mi subskribas.

However, the first version is the most neutral and natural for everyday use. The second puts more emphasis on the form.

A simple pronunciation guide is:

• Mi = mee
• subskribas = soob-SKREE-bas
• la = lah
• formularon = for-moo-LAH-ron

Stress in Esperanto normally falls on the second-to-last syllable of each word:

• subSKRIbas
• formulaLAron

Just change the verb ending:

• Mi subskribis la formularon. = I signed the form.
• Mi subskribos la formularon. = I will sign the form.

The tense endings are very regular:

• -as = present
• -is = past
• -os = future