| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb mod] be seen | 130 |
|
| 2 | which can be seen | 66 |
|
| 3 | which could be seen | 25 |
|
| 4 | which may be seen | 20 |
|
| 5 | which will be seen | 8 |
|
