Prepositions are invariable grammatical elements of the sentence, which are used to establish a relationship between words.
Develops the function of link in the sentence
PREPOSITION OF PLACE- PREPOSICIÓN DE LUGAR
Prepositions of place are placed behind the main verb, which is usually the verb "to be" in any of the times (past, present or future) and in its forms both simple and compound
PREPOSITION OF DIRECTION- PREPOSICIONES DE DIRECCIÓN
Prepositions of movement or direction are used to show movement from one place to another. These are used more frequently with the verbs of movement and are found after the verb.
PREPOSITION OF TIME-PREPOSICIONES DE TIEMPO
Prepositions of time are used to indicate when something happened
* Prepositions are always followed by a noun, not a verb (except in the form of gerund)
* IN, ON and AT: These are some of the most common prepositions that can be used to indicate both place and time.
* We encourage you to download the document attached to the page, to study it and to learn it by heart.