| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [v-ing] [prep] | 4200 |
|
| 2 | but [not/n't] [prep] | 1876 |
|
| 3 | but [v-ing] [prep] | 749 |
|
| 4 | but [not/n't] [v-ing] | 233 |
|
