| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at it [coord] [vb past] [pers pn] | 11 |
|
| 2 | at it and [vb past] [pers pn] | 10 |
|
| 3 | at it and [vb past] [pers pn] | 10 |
|
| 4 | at it [conj] [vb past] it | 9 |
|
