| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] at it | 599 |
|
| 2 | [pron] [verb] be at | 493 |
|
| 3 | [pron] [verb] be it | 134 |
|
| 4 | [pron] be at it | 91 |
|
| 5 | [verb] be at it | 37 |
|
