| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but we [vb mod] [not/n't] find | 20 |
|
| 2 | but we [vb mod] n't find | 13 |
|
| 3 | but we could [not/n't] find | 10 |
|
| 4 | but we ca [not/n't] find | 7 |
|
| 5 | but we [vb mod] not find | 7 |
|
