| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [been] [vb pp] | 4077 |
|
| 2 | it [vb -s] [been] [adj] | 587 |
|
| 3 | [vb -s] [been] [vb pp] [adj] | 548 |
|
| 4 | it [vb -s] [vb pp] [adj] | 533 |
|
