| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [noun sg] [prep] a [noun] | 704 |
|
| 2 | could [vb infin] [prep] a [noun] | 663 |
|
| 3 | could [vb infin] [noun sg] [prep] [noun] | 199 |
|
| 4 | could [vb infin] [noun sg] [prep] a | 86 |
|
| 5 | could [vb infin] [noun sg] a [noun] | 7 |
|
