| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at [prep] | 742 |
|
| 2 | at length [prep] | 143 |
|
| 3 | [vb pp] at length | 81 |
|
| 4 | [vb pp] length [prep] | 7 |
|
