- Days of the week (días de la semana): Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
- Months of the year (meses del año): January, February, March, April, May, June, July, August, September, October, November, December.
- The names of languages (los idiomas) and nationalities (nacionalidad): English, Spanish, French, German...
- El pronombre sujeto "I" (yo). " When I am on holiday, I never check my email."
Por cierto, ¿Cómo se dice mayúsculas en inglés?: capital letters.
Happy learning!