| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which must be [vb pp] [prep] [art] | 88 |
|
| 2 | which must be [vb pp] [prep] [art] | 88 |
|
| 3 | which must be [vb pp] by [art] | 21 |
|
| 4 | which must be [vb pp] by [art] | 21 |
|
| 5 | which must be [vb pp] in [art] | 20 |
|
| 6 | which must be [vb pp] in [art] | 20 |
|
| 7 | which must be [vb pp] [conj] [art] | 13 |
|
| 8 | which must be [vb pp] to [art] | 12 |
|
| 9 | which must be [vb pp] to [art] | 12 |
|
| 10 | which must be [vb pp] [subord] [art] | 11 |
|
| 11 | which must be [vb pp] [to-vb] [art] | 8 |
|
| 12 | which must be [vb pp] [verb] [art] | 8 |
|
| 13 | which must be [vb pp] at [art] | 8 |
|
| 14 | which must be [vb pp] at [art] | 8 |
|
| 15 | which must be [vb pp] be [art] | 5 |
|
| 16 | which must be [vb pp] if [art] | 5 |
|
| 17 | which must be [vb pp] before [art] | 5 |
|
| 18 | which must be [vb pp] [be] [art] | 5 |
|
| 19 | which must be [vb pp] if [art] | 5 |
|
| 20 | which must be [vb pp] before [art] | 5 |
|
| 21 | which must be [vb pp] [art] [adj] | 5 |
|
