| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [prep] a | 577 |
|
| 2 | which [pron] [verb] [prep] a | 341 |
|
| 3 | which [pron] could [verb] [prep] | 124 |
|
| 4 | which could [verb] [prep] a | 40 |
|
| 5 | which [pron] could [verb] a | 28 |
|
