| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but not [conj] [verb] | 8 |
|
| 2 | but [not/n't] [subord] [verb] | 7 |
|
| 3 | but [not/n't] [conj] [v-ing] | 6 |
|
| 4 | but [not/n't] while [verb] | 5 |
|
| 5 | but [not/n't] [conj] use | 5 |
|
| 6 | but [not/n't] [conj] using | 5 |
|
| 7 | but [not/n't] while [verb] | 5 |
|
