convince
The French verb 'convaincre' is used in the same way as the English verb 'to convince'. It means to persuade someone to believe something or to do something. It is a transitive verb, which means it requires a direct object. For example, 'Je vais essayer de la convaincre de venir avec nous' (I will try to convince her to come with us).
We need to convince him to come with us.
This sentence uses 'convaincre' in present tense, to express the need of persuading someone to join a group. In this context, the verb is followed by a 'de' preposition and an infinitive verb, showing the action you want the person to do.
She managed to convince me to buy a new car.
In the sentence, 'convaincre' is used in past tense and indicates that persuasion was successful. The structure is similar to the previous example, where the verb is followed by a 'de' preposition and an infinitive verb, expressing the action that has been convinced to do.
I am convinced that this is the right solution.
This sentence uses 'convaincu', which is the past participle of 'convaincre'. Here, 'convaincu' is used as an adjective to convey the feeling of being sure about something. It is accompanied by a subordinate clause introduced by 'que' to indicate what the speaker is convinced of.