| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [verb] [prep] | 2190 |
|
| 2 | [pron] [adv] [verb] [prep] a | 1569 |
|
| 3 | [pron] could [adv] [verb] a | 950 |
|
| 4 | [pron] could [verb] [prep] a | 577 |
|
| 5 | could [adv] [verb] [prep] a | 329 |
|
