| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [adv] a | 712 |
|
| 2 | [Wh det] [is] [adv] a | 565 |
|
| 3 | [pron] [is] usually a | 175 |
|
| 4 | [Wh det] [is] usually [art] | 27 |
|
| 5 | [Wh det] [be] usually a | 20 |
|
| 6 | [Wh det] [is] usually a | 14 |
|
