| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have [be] | 1939 |
|
| 2 | which [vb mod] have [be] | 694 |
|
| 3 | which [modal v] have [be] | 694 |
|
| 4 | [Wh det] must have [be] | 120 |
|
| 5 | which must have [be] | 64 |
|
| 6 | which must [verb] [be] | 64 |
|
| 7 | which must have [be] | 64 |
|
| 8 | which must [vb infin] [be] | 64 |
|
| 9 | which must have [be] | 64 |
|
