Reference: Solar System Planets: Order of the 8 (or 9) Planets by Robert Roy Britt | June 08, 2012 03:15pm ET 1505 758 428 Submit 323 Reddit The planets of the solar system as depicted by a NASA computer illustration. Orbits and sizes are not shown to scale. Credit: NASA View full size image Ever since the discovery of Pluto in 1930, kids grew up learning about the nine planets of our solar system. That all changed starting in the late 1990s, when astronomers began to argue about whether Pluto was a planet. In a highly controversial decision , the International Astronomic...
Presente simple
ResponderEliminarLa formula gramatical que vamos a usar para el presente simple es la siguiente
Sujeto+ verbo to be ( am, are, is) +complemento.
Presente continuo
EliminarLa formula gramatical que vamos a usar para el presente continuo es la siguiente
Sujeto+ verbo to be ( am, are, is) +verbo+ing +complemento