| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [indef pn] [is] [v-ing] [adv] | 264 |
|
| 2 | but [indef pn] [is] [adv] | 45 |
|
| 3 | but [indef pn] [is] [v-ing] | 41 |
|
| 4 | but [is] [v-ing] [adv] | 10 |
|
