| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] a [noun] | 8997 |
|
| 2 | could [vb infin] a [noun] | 2758 |
|
| 3 | could [vb infin] [prep] [noun] | 1709 |
|
| 4 | could [vb infin] [prep] a | 1241 |
|
| 5 | could [prep] a [noun] | 30 |
|
