| 1 | I have been sad all the time. | |
| 2 | She looked terribly distressed and was sighing all the time. | |
| 3 | The old man lost his money and he has been worried ever since. | |
| 4 | Never frown, even you're sad, because you never know who is falling in love with your smile. | |
| 5 | Something seems to be eating her-she's been wearing a frown all morning. |