| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] for | 1558 |
|
| 2 | it [vb past] for | 554 |
|
| 3 | [pron] worked for | 401 |
|
| 4 | it worked [prep] | 61 |
|
| 5 | it work for | 61 |
|
