| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] | 9758 |
|
| 2 | could [vb infin] [prep] | 9758 |
|
| 3 | [modal v] [vb infin] as | 2131 |
|
| 4 | could [verb] as | 194 |
|
| 5 | could [vb infin] as | 192 |
|
