| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about this time [art] | 5 |
|
| 2 | at about this time [art] | 5 |
|
| 3 | at about [det] time [art] | 5 |
|
| 4 | at about [adj] time [art] | 5 |
|
