| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at [art] time | 2741 |
|
| 2 | [noun sg] at about [art] | 43 |
|
| 3 | at about [art] time | 39 |
|
| 4 | [noun sg] about [art] time | 24 |
|
