| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] a [noun sg] | 643 |
|
| 2 | [coord] [vb infin] [prep] a [noun sg] | 168 |
|
| 3 | [coord] could [vb infin] a [noun sg] | 28 |
|
| 4 | [coord] could [vb infin] [prep] a | 24 |
|
| 5 | [coord] could [vb infin] [prep] [noun sg] | 19 |
|
