| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [vb pp] | 4746 |
|
| 2 | but it [be] [vb pp] | 855 |
|
| 3 | but it be [vb pp] | 855 |
|
| 4 | but [pron] is [vb pp] | 457 |
|
| 5 | but it [is] [vb pp] | 427 |
|
| 6 | but it is [verb] | 427 |
|
