| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [adv] [verb] | 382 |
|
| 2 | but [is] [adv] [verb] | 242 |
|
| 3 | but [is] [vb pp] [verb] | 48 |
|
| 4 | but [is] [vb pp] [adv] | 30 |
|
