| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] [is] [not/n't] [adv] | 570 |
|
| 2 | but [pron] [is] [adv] [v-ing] | 167 |
|
| 3 | [pron] [is] [not/n't] [adv] [v-ing] | 163 |
|
| 4 | but [pron] [is] [not/n't] [v-ing] | 110 |
|
