Hace falta que revises la fecha antes de enviar la solicitud.

Hace falta que means something like it is necessary that..., it’s needed that..., or more naturally in English, you need to... / it’s necessary to...

So:

• Hace falta que revises... = You need to check...
• Literally: It is necessary that you check...

It is different from necesitas because hace falta que is an impersonal structure. It does not directly say you need at first; instead, it presents the action as something necessary.

Compare:

• Necesitas revisar la fecha. = You need to check the date.
• Hace falta que revises la fecha. = It’s necessary that you check the date.

Both are correct, but hace falta que often sounds a bit less direct and more general.

Because hace falta que triggers the subjunctive.

After expressions of necessity, recommendation, emotion, doubt, and similar ideas, Spanish often uses:

• que + subjunctive

So:

• Hace falta que revises... ✅
• Hace falta que revisas... ❌

Here, revises is the present subjunctive form of revisar for tú.

Quick pattern:

• yo revise
• tú revises
• él/ella/usted revise
• nosotros revisemos
• vosotros reviséis
• ellos/ustedes revisen

The que introduces a subordinate clause: that you check the date.

The structure is:

• Hace falta que + subjunctive verb

So in this sentence:

• Hace falta = It is necessary
• que revises la fecha = that you check the date

If Spanish uses a full clause with a different or implied subject, que is needed.

Compare:

• Hace falta revisar la fecha. = It’s necessary to check the date.
• Hace falta que revises la fecha. = It’s necessary that you check the date.

Both are possible, but the second one explicitly points to you.

Yes. That is a very natural alternative.

Compare the two:

• Hace falta revisar la fecha antes de enviar la solicitud.
• Hace falta que revises la fecha antes de enviar la solicitud.

The difference is mainly in structure and emphasis:

• Hace falta revisar... uses an infinitive and sounds more general or impersonal.
• Hace falta que revises... uses the subjunctive and points more clearly to the person who should do it.

In English, both may simply be translated as You need to check the date before sending the application.

Because Spanish usually omits subject pronouns when they are clear from the verb form.

• revises already tells us the subject is tú
• so tú is unnecessary unless you want emphasis or contrast

For example:

• Hace falta que revises la fecha. = normal
• Hace falta que tú revises la fecha. = more emphatic, like you yourself need to check the date

Spanish avoids pronouns much more than English does.

Antes de means before.

When before is followed by a verb in Spanish, the verb usually goes in the infinitive if the subject is the same or not being specified:

• antes de enviar = before sending
• antes de comer = before eating
• antes de salir = before leaving

So:

• antes de enviar la solicitud = before sending the application

If Spanish introduces a new clause with a subject, then you often get antes de que + subjunctive:

• Antes de que envíes la solicitud... = Before you send the application...

So both are possible, but they are different structures.

Both can be correct, but they are built differently.

1. Antes de + infinitive

   • antes de enviar la solicitud
   • literally: before sending the application
   • common when the subject is the same, generic, or not stated

2. Antes de que + subjunctive

   • antes de que envíes la solicitud
   • literally: before you send the application
   • used when a full clause follows, with a specific subject

In your sentence, antes de enviar la solicitud is compact and natural. If you wanted to make the subject more explicit, you could say:

• Hace falta que revises la fecha antes de que envíes la solicitud.

Literally, la fecha means the date.

Depending on context, that could refer to:

• a calendar date written on the form
• the date of an event
• sometimes a deadline, though deadline is more often la fecha límite

So if the intended meaning is specifically deadline, Spanish would often be clearer with:

• la fecha límite

But if the sentence is talking about checking the date written somewhere, la fecha is perfectly normal.

Solicitud usually means application, request, or formal submission, depending on context.

In administrative or formal contexts, it often means:

• application form
• application
• request

Examples:

• enviar la solicitud = send the application
• presentar una solicitud = submit an application/request

It is a more formal word than something like pedido or petición in many contexts.

Yes, revisar is very natural here. It means to check, to review, or to look over.

Possible alternatives:

• comprobar = to check / verify
• verificar = to verify
• confirmar = to confirm

Differences in tone:

• revisar often suggests looking over carefully
• comprobar suggests checking whether something is correct
• verificar sounds a bit more formal or technical

So all of these could work depending on context, but revisar la fecha is a very normal choice.

Because here the structure is followed by a whole clause:

• Hace falta que revises la fecha

In this pattern, hacer falta is used impersonally in the singular:

• hace falta que...

You often see hacen falta when actual plural nouns are the thing needed:

• Hace falta un documento. = One document is needed.
• Hacen falta dos documentos. = Two documents are needed.

But with que + clause, the normal pattern is singular:

• Hace falta que revises... ✅

It is somewhere in the middle: neutral to slightly formal.

Reasons:

• solicitud is a formal-type word
• the structure hace falta que sounds a bit more formal or impersonal than tienes que
• revises is the tú form, so it is still addressing someone informally

If you wanted a more formal you in Spain, you could say:

• Hace falta que revise la fecha antes de enviar la solicitud.
  with usted

If you wanted a more direct and everyday tone:

• Tienes que revisar la fecha antes de enviar la solicitud.

Yes. The best choice depends on tone.

• You need to check the date before sending the application.
• You have to check the date before sending the application.
• It’s necessary to check the date before sending the application.

Usually, need to is the most natural everyday translation.

Must can sound stronger in English than hace falta que, so it is not always the best default.

Yes, Spanish word order is flexible, though some versions sound more natural than others.

Original:

• Hace falta que revises la fecha antes de enviar la solicitud.

Possible variation:

• Antes de enviar la solicitud, hace falta que revises la fecha.

This puts more emphasis on the timing: before sending the application.

Spanish often moves time phrases like antes de enviar la solicitud to the front for focus or style.