| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] at | 7679 |
|
| 2 | [to-vb] [pron] at | 1279 |
|
| 3 | to keep [pron] [prep] | 612 |
|
| 4 | keep [pron] at | 168 |
|
