| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but if [pron] [vb base] [adv] | 329 |
|
| 2 | but [pron] [vb base] [not/n't] [adv] | 327 |
|
| 3 | if [pron] [vb base] [not/n't] [adv] | 223 |
|
| 4 | but if [pron] [vb base] [not/n't] | 188 |
|
