Using the Most Basic Verb in English
The verb to be is a key verb in English, playing a major part in many types of constructions, as in all other European languages ( etre in French, sein in German, ser/estar in Spanish). It has many usages and meanings, both as a main verb and as an auxiliary verb. It also acts differently in negative sentences and questions. To know more, read these sections of our review on the verb to be in English.