| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] [conj] | 1354 |
|
| 2 | is [adv] [vb pp] [conj] [verb] | 652 |
|
| 3 | it is [vb pp] [conj] [verb] | 195 |
|
| 4 | it is [adv] [vb pp] [verb] | 169 |
|
| 5 | it is [adv] [conj] [verb] | 6 |
|
