How to use a prepositions?
1. The prepositions usually comes before the noun.
2. Prepositions can be used with all forms of nouns (e.g. collective nouns, pronouns etc).
3. Prepositions can't come after a verb, but can be used before a gerund or verb in noun form.
4. The rules above do not change and there are no exceptions to the rules.- See more at: