| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [vb pp] | 4746 |
|
| 2 | [to-vb] [conj] it is | 711 |
|
| 3 | [to-vb] it is [vb pp] | 22 |
|
| 4 | [to-vb] [conj] is [vb pp] | 16 |
|
