| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [pers pn] [be] [verb] | 3777 |
|
| 2 | which [pers pn] [be] [vb pp] | 2703 |
|
| 3 | [pron] [pers pn] [be] required | 49 |
|
| 4 | [Wh det] [pers pn] [be] required | 45 |
|
| 5 | which [pron] [be] required | 40 |
|
| 6 | which [pers pn] [be] required | 38 |
|
| 7 | which [pers pn] [be] require | 38 |
|
