Как образуются предложения?

Present SimpleутвердительныеI work. We work. You work. They work кроме 3 л. Ед.ч. где добавляется окнчание s He works. She works. It works. Отрицательные и вопросы — с помощью do и doesi do not work We do not work You do not work They do not workHe doesn't work She doesn't work It doesn't workDo I work? Do we work? Does he work? Does it work? Present ContinuousутвердительныеI am workingWe are workingThey are working глагол to be+ глагол с ing You are workingHe is workingShe is workingотрицательныедобавдляешь not после глагола to beI am not workinghe is not workingthey are not workingвопростительные глагол to be на первое местоAm I working? Is he working?