| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] 've be [v-ing] [adv] | 6 |
|
| 2 | but [pron] 've [been] [v-ing] [adv] | 6 |
|
| 3 | but [pers pn] 've [be] [v-ing] [adv] | 6 |
|
| 4 | but [pron] 've been [v-ing] [adv] | 6 |
|
