| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [verb] to be | 50 |
|
| 2 | of which [verb] to be | 44 |
|
| 3 | of which [verb] to be | 44 |
|
| 4 | [prep] which have to be | 21 |
|
| 5 | [prep] which [vb past] to be | 20 |
|
| 6 | [prep] which [vb base] to be | 19 |
|
| 7 | [prep] which [vb -s] to be | 11 |
|
| 8 | [prep] which had to be | 11 |
|
| 9 | [prep] which seem to be | 11 |
|
| 10 | [prep] which need to be | 6 |
|
| 11 | [prep] which have to be | 5 |
|
| 12 | [prep] which has to be | 5 |
|
| 13 | [prep] which need to be | 5 |
|
