| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [to-vb] [prep] [adj] | 1960 |
|
| 2 | could [vb infin] [prep] [adj] | 1717 |
|
| 3 | could [vb infin] [to-vb] [prep] | 165 |
|
| 4 | could [vb infin] [to-vb] [adj] | 129 |
|
