| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] a | 15203 |
|
| 2 | [adv] [to-vb] a | 5730 |
|
| 3 | is [adv] [to-vb] | 3033 |
|
| 4 | is [to-vb] a | 1976 |
|
