| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] be | 21362 |
|
| 2 | it [vb past] [pron] | 6304 |
|
| 3 | it [vb past] be | 4472 |
|
| 4 | it [pron] be | 1169 |
|
