In English, there's no risk of confusion between "never" and "ever," which have opposing though not quite opposite meanings. In French, however, both terms can be translated by jamais.
Learn pairs of antonyms with this selection of opposing adjectives, adverbs, and pronouns.
The first thing French students learn about negation is that the two parts of the negative adverb ne ... pas are required on either side of the verb. In fact, pas is very often used informally without ne with several different parts of speech.
The French word plus has a number of different meanings, uses, and even pronunciations.
The subjunctive is required after any type of construction that indicates negativity or doubt, including negative pronouns and indefinite pronouns.
Variable negative pronouns are used in place of a negative adjective + noun, and must agree with the noun in gender.
Obviousness, knowledge, certainty, and hope are considered real - at least to the speaker - and therefore do not call for the subjunctive. Using these verbs and expressions in the negative or interrogative, however, indicates doubt: thus the subjunctive is required.