| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] [conj] | 4275 |
|
| 2 | it is [adv] [vb pp] | 3866 |
|
| 3 | is [adv] [vb pp] [conj] | 3466 |
|
| 4 | it is [adv] [conj] | 823 |
|
| 5 | it [adv] [vb pp] [conj] | 35 |
|
