| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [prep] a | 20369 |
|
| 2 | could [adv] [verb] [prep] | 1546 |
|
| 3 | could [verb] [prep] a | 1246 |
|
| 4 | could [adv] [verb] a | 737 |
|
| 5 | could [adv] [prep] a | 6 |
|
