أحب هذا الفيلم بشدة.

Because أحب already means I love by itself.

In Arabic, verbs are conjugated for the subject, so the ending/pattern tells you who is doing the action. Here:

• أحب = I love

You could also say:

• أنا أحب هذا الفيلم بشدة.

That is still correct, but أنا is usually added only for emphasis or contrast, like I love this film.

A common MSA pronunciation is:

• uḥibbu hādhā al-fīlma bi-shiddah

A simpler learner-friendly version is:

• uhibbu hatha al-feelma bishidda

A few notes:

• أحب = uḥibbu
  • the ḥ is a stronger, breathier h sound than English h
  • the bb is doubled because of the shadda
• هذا = hādhā
  • in careful MSA, the second consonant is dh, like th in this
• الفيلم = al-fīlm
  • فيلم is a loanword meaning film/movie
• بشدة = bi-shiddah
  • the sh is like English sh
  • the dd is doubled

أحب means I love.

It comes from the root ح ب ب, which is connected with love and liking. Depending on context, أحب can mean:

• I love
• I like very much

In this sentence, since you already have بشدة (strongly / very much), the overall meaning is something like:

• I really love this film
• I love this movie very much

هذا means this for a masculine singular noun.

Since فيلم is treated as a masculine singular noun, Arabic uses:

• هذا الفيلم = this film

This is the normal pattern in Arabic:

• هذا الكتاب = this book
• هذا البيت = this house
• هذا الفيلم = this film

So هذا has to match the noun in gender and number.

In standard Arabic, when a demonstrative like هذا means this, the following noun is usually definite:

• هذا الفيلم = this film

So Arabic normally uses:

• هذا + definite noun

Examples:

• هذا الكتاب = this book
• هذه السيارة = this car

Using هذا فيلم is generally not the normal MSA way to say this film.

Because the noun after هذا is normally definite.

So:

• الفيلم = the film
• هذا الفيلم = literally this the-film, but naturally it means this film

This is one of the differences between Arabic and English. English says:

• this film

Arabic says:

• هذا الفيلم

with the noun marked as definite.

الفيلم is the direct object of the verb أحب.

So the structure is:

• أحب = I love
• هذا الفيلم = this film
• بشدة = intensely / very much

In other words:

• I love
  • this film
    • very much

If full case endings were written, الفيلم would be in the accusative because it is the object.

بشدة literally means with intensity or with force.

It is made of:

• بـ = with / by
• شدة = intensity, strength

So:

• بشدة = with great intensity

In natural English, this often becomes:

• very much
• strongly
• intensely

So the sentence is literally something like:

• I love this film with intensity

but the natural meaning is:

• I love this film very much

Yes, it is natural and common, especially in more formal or written Arabic.

It gives a sense of strong intensity. Depending on context, Arabic also often uses:

• جداً = very
• كثيراً = a lot
• كثيراً جداً = very much / very greatly

So you might also hear:

• أحب هذا الفيلم كثيراً
• أحب هذا الفيلم جداً

But بشدة is perfectly good Arabic and sounds strong and expressive.

Yes, absolutely.

Both are correct:

• أحب هذا الفيلم بشدة
• أنا أحب هذا الفيلم بشدة

The version without أنا is very normal because the verb already tells you the subject is I.

Adding أنا can make it more emphatic, for example:

• I love this film (not someone else)
• As for me, I really love this film

Yes. This is a very normal Arabic sentence.

It starts with the verb:

• أحب = I love

Then the object:

• هذا الفيلم = this film

Then the adverbial phrase:

• بشدة = very much / intensely

So the order is roughly:

• Verb + object + adverbial phrase

Arabic also allows some flexibility, but this version is completely natural.

Yes.

In Modern Standard Arabic, فيلم is commonly used for a movie/film in general. In natural English translation, it may be:

• film
• movie

So هذا الفيلم can mean either:

• this film
• this movie

depending on your English preference.

A fully vowelled version is often written as:

• أُحِبُّ هٰذَا الْفِيلْمَ بِشِدَّةٍ

This shows the grammatical vowels more clearly.

Very roughly:

• أُحِبُّ = I love
• هٰذَا = this
• الْفِيلْمَ = the film (object form)
• بِشِدَّةٍ = intensely / with intensity

In everyday Arabic writing, these short vowels are usually omitted, so you normally see:

• أحب هذا الفيلم بشدة

Because of the shadda on the last consonant:

• أحبّ

The shadda means the consonant is doubled or held slightly longer. So it is pronounced more like:

• uḥibb-u

not just uḥib-u

This is important because the doubled consonant is part of the correct verb form.

You can, because أحب sometimes overlaps with like very much, but if you specifically want a softer like, a common verb is:

• أُعجِبُ بـ = I like / I am impressed by

For example:

• أُعجِبُ بهذا الفيلم = I like this film

But أحب هذا الفيلم is very common and natural when you mean strong liking or love for the film.

Usually it comes after the object, as in your sentence:

• أحب هذا الفيلم بشدة

That is the most straightforward and natural order.

Arabic can sometimes move adverbial phrases for emphasis, but for a learner, the safest pattern is:

• verb + object + بشدة

So this sentence is a very good model to follow.