【正文】
____ or _____ . We use ‘is’ when the subject is ____ , ____ or _____ . I we you they he she it Negative forms of the verb ‘to be’ in the simple present tense are: I ______/ _______ … We/You/They _____ / _____ … He/ She/ It _____/ ____ … am not I’m not are not aren’t is not isn’t Ask and answer: Are you …? Yes, I am. No, I’m not. Is he/she … ? Yes, he/she is. N