Le tuteur soutient la plante.

Not in this sentence. Here, un tuteur means a stake or support used to hold up a plant.

This is a useful false friend for English speakers:

• un tuteur can mean a guardian or mentor/tutor in some contexts
• but in gardening, it means a plant support/stake

So in Le tuteur soutient la plante, the context tells you it is the gardening meaning.

French usually uses an article where English often does too, and sometimes where English might leave it out.

Here:

• le tuteur = the stake/support
• la plante = the plant

A bare noun without an article is much less common in French than in English. So Le tuteur soutient la plante is the normal structure.

Because French nouns have grammatical gender:

• tuteur is masculine → le tuteur
• plante is feminine → la plante

The gender of a noun does not always match any real-world idea of male or female. It is just part of the noun and must be learned with it.

Soutenir is the infinitive, meaning to support.

In the sentence, the verb has to be conjugated to match the subject le tuteur:

• le tuteur = it / he (third person singular)
• so soutenir becomes soutient

Present tense of soutenir:

• je soutiens
• tu soutiens
• il/elle/on soutient
• nous soutenons
• vous soutenez
• ils/elles soutiennent

So Le tuteur soutient la plante means The stake supports the plant.

This is a very common question. In French, verb endings do not always work the way English speakers expect.

For soutenir:

• il/elle/on soutient = singular
• ils/elles soutiennent = plural

So soutient with -t is singular, and soutiennent with -nent is plural.

Also, in pronunciation, these endings are not pronounced the way they look. French spelling often keeps historical endings that are not fully sounded.

Yes. This sentence follows the basic subject + verb + object order:

• Le tuteur = subject
• soutient = verb
• la plante = direct object

So it is structured just like English:

• The stake supports the plant.

Usually, soutient is the better choice here.

Why?

• soutenir often means to hold up, support, or maintain
• supporter can mean to tolerate, to put up with, or to support/root for a team

In some contexts, supporter can mean support, but for a physical support holding up a plant, soutenir sounds more natural.

So for this sentence, Le tuteur soutient la plante is the idiomatic choice.

A simple approximation is:

luh tu-tur soo-tyan lah plahnt

A few notes:

• le sounds like luh
• tuteur has a French u sound, which is not exactly like English oo
• soutient ends with a nasal sound, roughly tyan without a strong final n
• plante also has a nasal vowel; the final e is silent

A more IPA-style pronunciation would be approximately: lə ty.tœʁ su.tjɛ̃ la plɑ̃t

No obligatory liaison appears in this sentence as it is normally spoken.

You would typically hear:

• Le tuteur
• soutient la plante

There is no standard liaison between soutient and la, and none between la and plante.

In this sentence, it is singular because of the article la and the noun form plante:

• la plante = the plant (singular)
• les plantes = the plants (plural)

If you wanted to say The stake supports the plants, you would say: Le tuteur soutient les plantes
or more naturally, depending on context, perhaps Les tuteurs soutiennent les plantes if there are several supports.

Yes, when talking about the sentence grammatically, le tuteur is the subject and English would normally refer back to it as it, because it is an object, not a person.

For example:

• Le tuteur soutient la plante. Il est solide.

In French, il is used because tuteur is masculine.
In English, you would normally say:

• The stake supports the plant. It is sturdy.

So French grammatical gender affects pronouns, but English usually uses it for things.

Yes. It is simple and natural.

It is the kind of sentence you might see in:

• a beginner textbook
• a gardening explanation
• a description of what an object does

French speakers might also say similar things such as:

• Le tuteur maintient la plante droite. = The stake keeps the plant upright.
• Le tuteur aide la plante à pousser. = The stake helps the plant grow.

But Le tuteur soutient la plante is perfectly correct and natural.