| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [prep] [adj] | 1718 |
|
| 2 | could [verb] [prep] [adj] | 525 |
|
| 3 | [modal v] [verb] [prep] sure | 19 |
|
| 4 | could [verb] [prep] sure | 5 |
|
| 5 | could [verb] [prep] sure | 5 |
|
