| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] while at [art] [det] time | 12 |
|
| 2 | [adj] while at [art] [det] time | 12 |
|
| 3 | while at [art] [det] time [verb] | 8 |
|
| 4 | while at [art] [det] time [v-ing] | 7 |
|
