| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] | 9439 |
|
| 2 | [adv] [v-ing] but | 146 |
|
| 3 | is [adv] but | 78 |
|
| 4 | is [v-ing] but | 28 |
|
