| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [art] case | 33 |
|
| 2 | [Wh det] is [art] case | 33 |
|
| 3 | [Wh det] [is] the case | 31 |
|
| 4 | [Wh det] [is] the case | 31 |
|
| 5 | what [is] [art] case | 16 |
|
| 6 | which [is] [art] case | 15 |
|
