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Words in this sentence
je
I
Pronoun
avoir
to have; to own; to possess; to get; to have (to experience or suffer from a state or condition); to have (an age); used to form the compound tenses of most verbs, such as the perfect and pluperfect.; to have (to), must; (chiefly in se faire avoir) to have (to trick; to con)
Verb
pas
The most common adverb of negation in French, typically translating into English as not, don't, doesn't, etc.; used as an intensifier in underlying rhetorical questions, mostly with voilĂ 
Adverb
comprendre
to understand, comprehend; to comprise, include; to know each other (well); to get on well, to get along well; to be comprehensible or conceivable
Verb