| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv] [prep] a [noun] | 110 |
|
| 2 | could [vb infin] [adv prt] [prep] a [noun] | 67 |
|
| 3 | [modal v] [vb infin] in [prep] a [noun] | 46 |
|
| 4 | [vb mod] [vb infin] in [prep] a [noun] | 46 |
|
| 5 | could [vb infin] in [prep] [art] [noun] | 25 |
|
| 6 | could [vb infin] in [prep] a [noun] | 10 |
|
| 7 | could [vb infin] in [prep] a [noun] | 10 |
|
| 8 | could [verb] in [prep] a [noun] | 10 |
|
| 9 | could [vb infin] in [prep] a [noun] | 10 |
|
