| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adv] [prep] a [adj] | 808 |
|
| 2 | could [vb infin] [prep] a [adj] | 373 |
|
| 3 | could [vb infin] [adv] [prep] a | 192 |
|
| 4 | could [vb infin] [adv] a [adj] | 88 |
|
| 5 | could [vb infin] [adv] [prep] [adj] | 86 |
|
