| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [Wh det] [vb past] | 864 |
|
| 2 | is [adv] [Wh det] | 681 |
|
| 3 | is [Wh det] [vb past] | 115 |
|
| 4 | is [adv] [vb past] | 29 |
|
