Bei I, you, we, they nimmst du don't + Grundform des Verbs.
Verneinung: don't
I don't like coffee.
You don't work here.
They don't speak French.
Not "I no like coffee." — say "I don't like coffee.". Für die Verneinung setzt du don't vor das Verb, nicht einfach nur „no“.
Probier es: I ___ coffee. (don't like / doesn't like / no like) Antwort: don't like — Bei I heißt die Verneinung don't (doesn't gibt es nur bei he/she/it). Also: I don't like coffee.
Verneinung: doesn't
Bei he, she, it nimmst du doesn't + Grundform des Verbs (das -s wandert zu doesn't).
He doesn't work here.
She doesn't like coffee.
Not "She doesn'tlikes coffee." — say "She doesn'tlike coffee.". Doesn't hat das -s schon, das Hauptverb bleibt in der Grundform.
Probier es: She ___ French. (doesn't speak / doesn't speaks / don't speak) Antwort: doesn't speak — In doesn't steckt das -s schon drin, also bleibt das Verb in der Grundform: doesn't speak (nicht „speaks“).