IN (en, dentro en)
SIGLOS: in the 1800’s
DECADAS: in the 60’s
AÑOS: in 1760
MESES: in February, march, may, October
SEMANAS: in 2 weeks
FASES DEL DIA: In the morning, afternoon, night
UBICACION: in a box, in the bedroom
CIUDADES Y PAISES: in the Mexico City, in Canada
LUGARES QUE NO SON EDIFICIOS: In the park, in the yard
PERIDOS DE TIEMPO: in a minute, second, year, century, month, day, fortnight
ESTACIONES DEL AÑO: In the Winter, fall, spring, summer
ON (en, sobre)
DIAS: On Friday, Monday, Thursday
FIN DE SEMANA: On the weekend
DIAS FESTIVOS: On Christmas Day
DIAS ESPECIFICOS: On the 5th of July
AT (en, a las)
HORAS: At 7 am, at 12 o clock, at pm
DIRECCIONES ESPECIFICAS: AT 12B CALIFORNIA STREET
LUGARES ESPECIFICOS: AT the school, museum
UBICACIONES DEL HOGAR: AT THE TABLE, DOOR, WINDOW,
CITAS EVENTOS Y ACONTECIMIENTOS: At the party
FASES DEL DIA: At noon, at midnight