| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] the | 1947 |
|
| 2 | could [vb infin] [prep] the | 1947 |
|
| 3 | [modal v] [vb infin] at the | 1203 |
|
| 4 | could [vb infin] at [art] | 114 |
|
| 5 | could [verb] at the | 86 |
|
| 6 | could [vb infin] at the | 85 |
|
