| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but i [vb base] not | 240 |
|
| 2 | but i do not | 162 |
|
| 3 | but i have not | 36 |
|
| 4 | but i 've not | 17 |
|
| 5 | but i hope not | 5 |
|
