| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] [pron] | 14323 |
|
| 2 | who [vb past] [pron] | 8392 |
|
| 3 | [pron] helped [pron] | 409 |
|
| 4 | who help [pron] | 73 |
|
| 5 | who helped [pron] | 44 |
|
| 6 | [Wh pn] helped [pron] | 44 |
|
