| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [be] [adv] a | 445 |
|
| 2 | [Wh pn] [be] [adv] a | 314 |
|
| 3 | [pron] [be] then a | 126 |
|
| 4 | [Wh pn] [be] then [art] | 15 |
|
| 5 | [Wh pn] [be] then a | 8 |
|
