| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [vb pp] [conj] | 4275 |
|
| 2 | but it is [vb pp] | 334 |
|
| 3 | but it is [conj] | 19 |
|
| 4 | but is [vb pp] [conj] | 17 |
|
