To be exercises

To be.-Affirmative (1) To be.-Affirmative (2) To be.-Affirmative (3) To be.-Affirmative (4) To be.-Affirmative (5) To be.- Negative (1) To be.-Negative (2) To be.-Negative (3) To be.- Negative (4) To be.-Interrogative (1) To be.-Interrogative (2)