| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [vb -s] at a time | 5 |
|
| 2 | [adj] [vb -s] at a time | 5 |
|
| 3 | [adj] [vb -s] at [art] time | 5 |
|
| 4 | [adj] [vb -s] at [art] time | 5 |
|
