| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] be [verb] | 6658 |
|
| 2 | which [modal v] be [vb pp] | 6502 |
|
| 3 | [pron] [modal v] be traced | 44 |
|
| 4 | which [modal v] be traced | 21 |
|
| 5 | which [modal v] [be] traced | 21 |
|
| 6 | which [modal v] be trace | 21 |
|
| 7 | which [modal v] [be] traced | 21 |
|
