| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [be] [prep] | 436 |
|
| 2 | which [modal v] [be] [prep] | 367 |
|
| 3 | which [vb mod] [be] [prep] | 367 |
|
| 4 | [Wh det] must [be] [prep] | 26 |
|
| 5 | which must [be] [prep] | 23 |
|
| 6 | which must [be] [prep] | 23 |
|
| 7 | which must [be] [prep] | 23 |
|
