| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] a | 12188 |
|
| 2 | [Wh pn] is [adv] | 1431 |
|
| 3 | [Wh pn] is a | 437 |
|
| 4 | [Wh pn] [adv] a | 24 |
|
