| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] only [prep] [noun] | 5 |
|
| 2 | [noun] could [vb infin] only [prep] [noun] | 5 |
|
| 3 | could [vb infin] only [prep] [art] [noun] | 6 |
|
| 4 | could [vb infin] only [prep] [art] [noun] | 6 |
|
| 5 | could [vb infin] only [prep] a [noun] | 5 |
|
| 6 | could [vb infin] only [prep] [adj] [noun] | 5 |
|
