| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but they are not [verb] | 30 |
|
| 2 | but they are not [verb] | 30 |
|
| 3 | but they are not [vb pp] | 22 |
|
| 4 | but they are not [v-ing] | 7 |
|
