| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] at the | 86 |
|
| 2 | could [vb infin] at the | 85 |
|
| 3 | could do [prep] the | 71 |
|
| 4 | [modal v] do at the | 21 |
|
| 5 | could do at the | 5 |
|
| 6 | could do at [art] | 5 |
|
| 7 | could do at the | 5 |
|
| 8 | could do at [art] | 5 |
|
