| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is not | 3102 |
|
| 2 | but it is [adv] | 2682 |
|
| 3 | but it be not | 2121 |
|
| 4 | but it [be] not | 2121 |
|
| 5 | but it [is] not | 1577 |
|
| 6 | [coord] it is not | 1223 |
|
| 7 | but it is not | 995 |
|
| 8 | but it is [not/n't] | 995 |
|
| 9 | but [pron] is not | 933 |
|
| 10 | but it is not | 795 |
|
