Me gusta especialmente este proyecto.

Because gustar works differently from to like in English.

In Spanish, gustar literally works more like to be pleasing to someone.

So:

• Me gusta este proyecto = This project is pleasing to me
• me = to me
• gusta = is pleasing / pleases
• este proyecto = the thing that pleases you

If you said yo gusto, that usually means I am pleasing / I am attractive, which is a completely different idea.

Because the verb agrees with the thing being liked, not with the person who likes it.

Here, the subject is este proyecto, which is singular, so you use gusta.

• Me gusta este proyecto = I like this project
• Me gustan estos proyectos = I like these projects

So:

• singular thing → gusta
• plural things → gustan

me is an indirect object pronoun, and here it means to me.

So in Me gusta especialmente este proyecto:

• me = to me
• gusta = is pleasing
• este proyecto = this project

A more expanded version would be:

• A mí me gusta especialmente este proyecto

The a mí part is optional and is mainly used for emphasis or contrast.

Because Spanish often leaves out subject pronouns when they are not needed.

In this sentence, yo is not the grammatical subject anyway. The grammatical subject is este proyecto.

Also, the idea of to me is already expressed by me, so adding yo would not fit the structure of gustar.

Natural:

• Me gusta especialmente este proyecto

Not natural for this meaning:

• Yo gusto especialmente este proyecto

With gustar, the thing that causes the feeling is the subject.

So in English we think:

• I like this project

But in Spanish the structure is closer to:

• This project pleases me

That means este proyecto is the subject, and the verb agrees with it:

• este proyecto → singular → gusta

This is one of the most important things to understand about gustar.

Because proyecto is a masculine singular noun.

Spanish demonstratives must agree in gender and number with the noun:

• este proyecto = this project
• esta idea = this idea
• estos proyectos = these projects
• estas ideas = these ideas

So este is correct because proyecto is masculine singular.

Because este already acts as a determiner, like this in English.

Just as you say this project in English, not the this project, in Spanish you say:

• este proyecto

not:

• el este proyecto

So este already does the job of introducing the noun.

especialmente means especially.

It highlights that among possible things you like, this project stands out in particular.

So the sentence gives a stronger nuance than simply:

• Me gusta este proyecto = I like this project

With especialmente:

• Me gusta especialmente este proyecto = I especially like this project

It adds emphasis and a sense of comparison, even if the comparison is only implied.

In this sentence, especialmente comes before este proyecto to focus attention on this project in particular.

This placement is very natural in Spanish:

• Me gusta especialmente este proyecto

It suggests:

• out of several things, this project is the one I especially like

Spanish adverbs can sometimes move around, but not every position sounds equally natural.

For example:

• Me gusta especialmente este proyecto → very natural
• Este proyecto me gusta especialmente → also natural, with more emphasis on este proyecto
• Me especialmente gusta este proyecto → awkward / unnatural

Yes. That is also correct.

Both are natural, but the emphasis changes slightly:

• Me gusta especialmente este proyecto → neutral, very common
• Este proyecto me gusta especialmente → puts extra focus on this project

Spanish word order is more flexible than English, so changing the order often changes emphasis rather than basic meaning.

Yes, absolutely.

That version is correct and often used when you want emphasis or contrast.

For example:

• A mí me gusta especialmente este proyecto, pero a ella no.

The a mí is optional because me already tells us to me, but adding a mí can make the sentence more expressive or contrastive.

They are similar, but not always identical in tone.

• especialmente = especially
• en especial = especially / in particular
• sobre todo = above all / especially / mainly

In many cases they can be very close:

• Me gusta especialmente este proyecto
• Me gusta en especial este proyecto
• Me gusta sobre todo este proyecto

All are understandable, but especialmente is a very direct and neutral match for especially.

Normally, you need me if you want to say I like.

• Me gusta especialmente este proyecto = correct

Without me, the sentence is incomplete unless the context already makes the indirect object completely obvious, which is unusual in isolation.

So for learners, the safe rule is: with gustar, keep the pronoun:

• me gusta
• te gusta
• le gusta
• nos gusta
• os gusta
• les gusta

You put no before the pronoun:

• No me gusta especialmente este proyecto

That means I don’t especially like this project or I don’t particularly like this project, depending on context.

The position of no is very regular:

• No me gusta
• No te gusta
• No le gusta

In Spanish, you can usually make it a question just with intonation, and in writing with question marks:

• ¿Me gusta especialmente este proyecto?

However, that exact question is less common because it sounds like someone is asking Do I especially like this project?, which is unusual unless someone is checking your opinion.

More naturally, you might ask:

• ¿Te gusta especialmente este proyecto? = Do you especially like this project?

So the structure stays the same; the punctuation and intonation show that it is a question.