| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] [verb] | 169 |
|
| 2 | it is [adv] [vb pp] for | 98 |
|
| 3 | is [adv] [vb pp] for [verb] | 92 |
|
| 4 | it is [vb pp] for [verb] | 24 |
|
