| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [noun pl] at a [adj] [noun sg] | 21 |
|
| 2 | [to-vb] [noun pl] at the [adj] [noun sg] | 14 |
|
| 3 | [to-vb] [noun pl] at [art] [adj] level | 6 |
|
| 4 | [to-vb] [noun pl] at [art] [adj] time | 6 |
|
