| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] a [adj] | 4189 |
|
| 2 | could [vb infin] a [adj] | 1352 |
|
| 3 | could [vb infin] [prep] a | 1096 |
|
| 4 | could [vb infin] [prep] [adj] | 524 |
|
| 5 | could [prep] a [adj] | 10 |
|
