| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [vb pp] | 3265 |
|
| 2 | it is [vb pp] for | 204 |
|
| 3 | [subord] it is for | 152 |
|
| 4 | [subord] is [vb pp] for | 30 |
|
