| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] two [noun] | 61 |
|
| 2 | could [vb infin] only [noun] | 23 |
|
| 3 | [vb infin] only two [noun] | 21 |
|
| 4 | could [vb infin] only two | 9 |
|
