| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which must [be] [verb] [be] | 12 |
|
| 2 | [noun pl] which must [be] [verb] [be] | 6 |
|
| 3 | [noun sg] which must [be] [verb] [be] | 6 |
|
| 4 | question which must [be] [verb] [be] | 5 |
|
| 5 | which must [be] [verb] [be] [art] | 5 |
|
| 6 | which must [be] [verb] [be] [art] | 5 |
|
