| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [verb] [art] | 1300 |
|
| 2 | it [vb past] [to-vb] [art] | 459 |
|
| 3 | [pron] [vb past] to have [art] | 404 |
|
| 4 | it [verb] to have [art] | 75 |
|
| 5 | it [vb past] have [art] | 56 |
|
