verb to be in present

pronouns and the verb to be affirmative
http://www.inglestotal.com/lesson-2-pronouns-and-the-verb-to-be-in-the-present-simple-tense/

Verb to be questions
http://www.inglestotal.com/question-words-with-the-verb-to-be-preguntas-con-el-verbo-to-be-lesson-3/