| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] to the | 362 |
|
| 2 | could [vb infin] to the | 361 |
|
| 3 | [modal v] refer to the | 88 |
|
| 4 | could refer to [art] | 13 |
|
| 5 | could refer to [art] | 13 |
|
| 6 | could refer to the | 9 |
|
| 7 | could refer to the | 9 |
|
| 8 | could refer [prep] the | 9 |
|
