Lire aide à comprendre: make an action the subject in French
Use an infinitive as a French subject, find the conjugated main verb and practise singular agreement even when the action has a plural object.
In short
An infinitive can name the action your sentence is about: Lire aide à comprendre means “Reading helps us understand”. Lire is the subject; aide is the conjugated main verb. One infinitive phrase takes a singular main verb, even when its own object is plural: Lire ces textes prend du temps.
Yellow the idea to rememberBlue French to learnRed watch out
Can an infinitive be the subject in French?
| Whole subject | Conjugated main verb | Rest of the sentence |
|---|---|---|
| Lire | aide | à comprendre. |
| Relire ce passage | permet | de mieux comprendre le personnage. |
| Comparer les points de vue | est | utile. |
| Comprendre ces métaphores | demande | de l’attention. |
Read each row across as one sentence. The infinitive stays in its dictionary form. The main verb makes the statement: aide, permet, est, demande. A longer subject still works in the same slot: Lire can become Lire ce passage à voix haute. The whole group names the activity.
A plural object stays inside the action
Les textes prennent du temps.The texts take time.
Focus: several texts are the grammatical subject
Ces textes prennent du temps à lire.
These texts take time to read.
Lire les textes prend du temps.Reading the texts takes time.
Focus: one activity is the grammatical subject
Lire ces textes prend du temps.
Reading these texts takes time.
In the second pattern, les textes receives the action of lire. It stays plural, but the complete subject is the reading activity. A quick substitution makes this clear: Cela prend du temps. The nearest noun is not always the word that controls the main verb.
Where do pronouns and negatives go with an infinitive subject?
Ce passage est difficile. Le relire aide à comprendre le personnage.
This passage is difficult. Rereading it helps us understand the character.
Le replaces ce passage inside the subject phrase le relire. It is the object of the infinitive.
Ne pas répondre risque d’aggraver le malentendu.
Not replying risks making the misunderstanding worse.
Ne pas goes before the subject infinitive répondre. The finite main verb is risque.
| French | What the negative applies to |
|---|---|
| Ne pas répondre est une erreur. | the action: not replying |
| Répondre n’est pas une erreur. | the judgement: replying is not a mistake |
Compare a direct subject with a topic
Lire, c’est découvrir d’autres points de vue.
Reading means discovering other points of view.
The comma makes lire the topic, followed by c’est. A direct subject also works: Lire permet de découvrir d’autres points de vue.