| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [vb pp] [verb] | 594 |
|
| 2 | which is [verb] for | 178 |
|
| 3 | which is [vb pp] for | 154 |
|
| 4 | is [vb pp] [verb] for | 143 |
|
