| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb mod] [prep] be [adj] | 17 |
|
| 2 | which [vb mod] to be [adj] | 17 |
|
| 3 | which used [prep] be [adj] | 10 |
|
| 4 | which ought [prep] be [adj] | 7 |
|
