Question Marks

The main function of a question mark is to indicate a question or query. 1. Use a question mark at the end of all direct questions: What is your name? How much money did you transfer? Did you send euro or dollars? 2. Use a question mark after a tag question: You're French, aren't you? …

Prepositions

A preposition links nouns, pronouns and phrases to other words in a sentence. The word or phrase that the preposition introduces is called the object of the preposition. A preposition usually indicates the temporal, spatial or logical relationship of its object to the rest of the sentence as in the following examples: The book is …