| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] a [adj] | 23739 |
|
| 2 | could [vb infin] [adj] | 6286 |
|
| 3 | could [vb infin] a | 4306 |
|
| 4 | could a [adj] | 49 |
|
