| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [verb] [prep] | 1241 |
|
| 2 | [vb infin] us [verb] [prep] | 149 |
|
| 3 | could [vb infin] us [prep] | 45 |
|
| 4 | could [vb infin] us [verb] | 33 |
|
