| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] [prep] [art] | 32514 |
|
| 2 | could [verb] [prep] [art] | 3268 |
|
| 3 | could [verb] [vb pp] [prep] | 960 |
|
| 4 | could [verb] [vb pp] [art] | 844 |
|
