| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which can be [verb] | 2336 |
|
| 2 | [pron] can be trace | 37 |
|
| 3 | which [modal v] be trace | 21 |
|
| 4 | which [vb mod] be trace | 21 |
|
| 5 | which can [be] trace | 17 |
|
| 6 | which can be trace | 17 |
|
| 7 | which can [be] trace | 17 |
|
| 8 | which can be trace | 17 |
|
