| when is ser used? | permenent, orgin, physical charicteristics |
| when is estar used? | temperary, location, conditions |
| conjugation of estar- | estoy, estas, esta, estamos, estan (accent on A except on estamos) |
| conjugation of ser- | soy, eres, es, somos, son |
| indefinete articles (a) | un, una, unos, unas |
| definete articles (the) | el, la, los, las |