Prepositions are short words that usually stand in front of nouns to show a relation to them. English learners find ...

Relative clauses are used to give additional information about a noun, such as a person, place or thing. Relative pronouns introduce a relative clause. They include who for people, that and which for ...

Dongwha Enterprise’s headquarters in Yeouido are packed with employees asking about “long forgotten” English grammar during a two-hour lecture. “The basic passive voice sentence is formed of the verb ...

In English, we can express sentences in two different ways: active voice and passive voice. The active voice is used when the focus is on the subject (or agent) of the main verb. This is the person or ...