is not. \ Example: My teacher (be) is nice. Use not to form the negative. ExerciseSimple Present Tense. Free PDF worksheets to download: Present simple of the verb to be (am, are, is) Verb to bepresent simple PDFComplete short dialogues: Are you hungry? Fill in the blanks below to complete the sentences. ExerciseSimple Present Tense. Note: The verb can be positive (+) or negative (-). All-time. SORT BY. Most popular. Yes, I ___ a little bit hungry. ExerciseReview. Present simplepdf exercises. am