| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but i 'm [not/n't] | 591 |
|
| 2 | but [pers pn] 'm [not/n't] | 591 |
|
| 3 | but [pron] 'm not | 591 |
|
| 4 | but i 'm [not/n't] | 591 |
|
