| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] be [prep] | 348 |
|
| 2 | it [vb past] be [prep] | 348 |
|
| 3 | [pron] [vb past] be since | 15 |
|
| 4 | it [verb] be since | 11 |
|
| 5 | it [vb past] [be] since | 7 |
|
| 6 | it [vb past] be since | 7 |
|
