| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which have already | 30 |
|
| 2 | [prep] which have already | 30 |
|
| 3 | of which have already | 29 |
|
| 4 | of which have already | 29 |
|
| 5 | [prep] which have already | 19 |
|
| 6 | [prep] which had already | 6 |
|
| 7 | [prep] which has already | 5 |
|
