VERBOS IMPERSONALES INGLESES

To snow, nevar, to rain, llover, to hail, granizar, to thunder, tronar… son verbos impersonales que toman it como sujeto: It rains, it will probably hail, Llueve, probablemente granizará… siempre con la tercera persona, it. Lo mismo que es posible, it is possible. (Jamás diga "Is possible")
• To snow, nevar: It is not snowing, No nieva.
• To freeze, helar, congelar: It is freezing, Hiela.
• To thunder, tronar: It was thundering last night, Tronaba anoche.
• To hail, granizar: Be careful, it's hailing, Cuidado, está granizando.
• To rain, llover: Take an umbrella because it is raining, Coge un paraguas porque llueve.
• To dawn, amanecer: it dawns early , Amanece temprano.
• To matter, importar: It doesn't matter, No importa.
• To happen, ocurrir: This is not happening, No está ocurriendo.
• To drizzle, lloviznar: Is it drizzling?, ¿Está lloviznando?

Hay muchos ejemplos más en GRAMÁTICA INGLESA PARA TORPES, Anaya, 2013.