| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] can not be | 542 |
|
| 2 | but [vb mod] not be | 147 |
|
| 3 | but [modal v] not be | 147 |
|
| 4 | but can [adv] be | 109 |
|
| 5 | but can not be | 36 |
|
| 6 | but can not [be] | 36 |
|
| 7 | but can not be | 36 |
|
| 8 | but can [not/n't] be | 36 |
|
