| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [pron] [vb mod] [verb] | 2124 |
|
| 2 | [prep] which [pron] [vb mod] [vb infin] | 2110 |
|
| 3 | [prep] [pron] [pron] [vb mod] improve | 8 |
|
| 4 | [prep] which [pron] [vb mod] improve | 7 |
|
| 5 | [prep] which [pron] [vb mod] improve | 7 |
|
| 6 | [prep] [Wh det] [pron] [vb mod] improve | 7 |
|
| 7 | [prep] which [pron] [modal v] improve | 7 |
|
| 8 | [prep] which [pron] [vb mod] improve | 7 |
|
