| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | is [adv] [vb pp] for | 926 |
|
| 3 | it is [vb pp] for | 204 |
|
| 4 | it is [adv] for | 77 |
|
