| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [been] | 7295 |
|
| 2 | [vb past] it [vb -s] | 212 |
|
| 3 | [vb past] it [been] | 181 |
|
| 4 | [vb past] [vb -s] [been] | 16 |
|
