| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on which we [vb mod] [vb infin] | 41 |
|
| 2 | on which we [vb mod] [vb infin] | 41 |
|
| 3 | on which we can [vb infin] | 18 |
|
| 4 | on which we shall [vb infin] | 6 |
|
