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Non-conjugated Verb Forms

Non conjugated verb forms are the ones which don't change according to the person. There are three sorts: infinitives, and past and present participles. The present participle with en is used to form what is sometimes called the gerund.

Infinitive

The infinitive is the form of the verb you look up in a dictionary 

Ninety per cent of infinitives in French end in -er. Other possible endings are -ir, -re and -oir

Manger, finir, aller, vendre, vouloir

to eat, to finish, to go, to sell, to want... 

Check the Frequency List for the most common verbs in their infinitive form.

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Uses of the infinitive 

Three important differences in the way the infinitive is used in French and in English must be noted. First, the infinitive is used in French as Subject of the sentence, where a Present Participle is often found in English: 

Signaler tous les cas suspects ne suffit pas.

Reporting all suspicious cases is not enough. 

Louer peut sembler moins cher qu'acheter.

Renting may seem cheaper than buying. 

Second, the infinitive in French is sometimes better rendered in English by a Passive

 Les objets à démonter sont énormes.

The objects to be dismantled are enormous. 

 Les parties que j'ai vu jouer étaient excellentes.

The games I saw being played were excellent. 

 Lequel est à préférer?

Which one is to be preferred

 La réponse ne s'est pas fait attendre.

The reply was not long in coming.  (Literally: did not make itself be waited for). 

about the Passive.

Thirdly, and most strikingly, the infinitive is often used in certain types of texts to give orders, to tell you to do something. This is especially common in recipes and instruction sheets. 
    

Recette de Poulet au Paprika 

Bien essuyer les morceaux de poulet. Dans une grande poêle, faire chauffer l'huile à feu moyen-doux. Y cuire les oignons à couvert pendant 5 minutes en remuant régulièrement, sans les faire dorer. 

Clean the pieces of chicken well. In a large frying pan, warm the oil on medium-low heat. Cook the onions, covered, for five minutes, stirring constantly, without browning. 

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Past Participle

 Mangé, fini, allé, vendu

eaten, finished, went, sold... 

 Endings are usually -é, -i, -u, but there are a few irregular ones too. Among the 20 most common verbs, irregular past participles are:

eu - had

fait - done

pris - taken

mis - put

 
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Present Participle

Mangeant, finissant, allant, vendant

eating, finishing, going, selling...

The ending of present participles is always -ant, corresponding to -ing in English

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Use of participles

 1.  Participles as Adjectives 

Both participles are often used as Adjectives, in which case they agree with the noun they accompany: 

les objets inanimés, une quantité suffisante, une idée stimulante

inanimate objects, a sufficient quantity, a stimulating idea  

2. Participles as phrase or clause centres 

Participles are often themselves the centre of a phrase or clause. The commonest construction involves the present participle, preceded or not by en, and translated usually by a present participle in English, preceded or not by by, or on or while

Elles s'étaient transformées, devenant en même temps plus réelles.

( ... becoming at the same time more real)

En pensant à cette succession des trois conceptions du monde, on dit que l'animisme lui-même implique déjà toutes les religions.

(Thinking about this succession... people say that...) 

La sorcellerie apparaît comme l'art d'influencer les esprits en les apaisant, en se les conciliant, en se les rendant favorables, en les intimidant.

(by pacifying them, by winning them over, by intimidating them...)  

Other constructions

Another very common construction is après avoir or après être + past participle: 

L'éleveur masse ses vaches, à la main et au saké, après avoir ajouté de la bière à leur ration.

Literally after having added beer = after adding beer

Après avoir fait un versement initial pouvant aller jusqu'à 20 p. 100 du prix total, vous payez le solde et les intérêts en quelques années.

After making an initial payment 

Other possibilities with participles 

 Cela dit, il faut considérer tous les facteurs.

This said ...

Le prix une fois fixé, vous ne pouvez pas le changer.

Once the price has been set ... 

And of course, the past participle is used to form the passé composé (past) tense:

Il a mis tout son argent dans Bre-ex.

He put all his money into Bre-ex.

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Exercises

Exercises 1 Exercises 2 Exercises 3 Exercises 4  
           

 

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