| 1 | He was seriously ill. | |
| 2 | A serious disease felled him. | |
| 3 | The claim, however, is not that I can't picture being ill or dying. | |
| 4 | People, who unknowingly eat fish contaminated by pollutants in the water, can become seriously ill. | |
| 5 | I am happy that you let me have her as my dog even though she got sick. |