Fill in the crossword puzzle with modal nouns defined below. sheet of paper. 4 Down: 1. the quality or state of being able 3 the quality or state of being responsible 4. the quality or state of being ready to do something 2 Across: 2. the quality or state of being in need 5. the quality or state of being able to do something 6. the condition or fact of being possible 7. the quality or state of being obligated or required Self-check:​