| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] be [prep] a | 168 |
|
| 2 | has be [prep] a | 131 |
|
| 3 | [Wh pn] has be [prep] | 122 |
|
| 4 | [Wh pn] has be a | 31 |
|
