| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be at its | 6 |
|
| 2 | to be [vb pp] at its | 10 |
|
| 3 | to be [verb] at its | 10 |
|
| 4 | to be at its [adj] | 6 |
|
