| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] | 29146 |
|
| 2 | [Wh pn] is [adv] | 1431 |
|
| 3 | [Wh pn] is [vb pp] | 963 |
|
| 4 | [Wh pn] [adv] [vb pp] | 86 |
|
