| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] | 22743 |
|
| 2 | but be [adv] | 2384 |
|
| 3 | but be [v-ing] | 284 |
|
| 4 | but [v-ing] [adv] | 278 |
|
