| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] be [verb] | 2039 |
|
| 2 | [pron] [vb past] be form | 31 |
|
| 3 | which [verb] be form | 23 |
|
| 4 | which [vb past] [be] form | 21 |
|
