| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb infin] a [noun] | 3717 |
|
| 2 | could [vb infin] a [noun] | 2758 |
|
| 3 | could [pron] [vb infin] a | 236 |
|
| 4 | could [pron] [vb infin] [noun] | 157 |
|
