| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [conj] [pron] [be] [v-ing] | 394 |
|
| 2 | [conj] [conj] [pron] [is] [v-ing] | 326 |
|
| 3 | [coord] [conj] [pron] [is] [v-ing] | 202 |
|
| 4 | but [conj] [pron] [is] [verb] | 140 |
|
| 5 | but [conj] [pron] [is] [v-ing] | 44 |
|
