| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [adv] [art] | 1500 |
|
| 2 | which [be] [adv] [art] | 1104 |
|
| 3 | [pron] [be] once [art] | 194 |
|
| 4 | [Wh det] [be] once [art] | 79 |
|
| 5 | which [be] once [art] | 22 |
|
| 6 | which [be] once [art] | 22 |
|
