Your sentence
C'est+le+film+le+plus+drôle+de+l'année.
Words in this sentence
être
to be; to be located; to be situated; to denote time, day, or date; used to form compound tenses and structures, such as the perfect and pluperfect; certain intransitive verbs that indicate movement or a change of state (see the full list); all reflexive verbs; the passive voice
Verb
plus
used to express the comparative and superlative of a following adjective or adverb; more, -er (comparative); most, -est (superlative); more, most (to a greater / the greatest extent); the more ...; more (a greater amount); [with de] more of a following noun; [with de or que] more than a following number or fraction; more, in addition; plus; …
Adverb
de
from (used to indicate origin); of (indicates possession, association or relationship); of (used to indicate cause); of (indicates an amount); used attributively, often translated into English as a compound word; from (used to indicate the start of a time or range); by (an amount); introduces the indirect object of some verbs; variously translated in English; used before infinitive phrases; often corresponding to an English to-infinitive or gerund; after certain verbs; …
Preposition