| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could only [vb infin] the [noun] | 81 |
|
| 2 | could [vb infin] at the [noun] | 62 |
|
| 3 | only [vb infin] at the [noun] | 31 |
|
| 4 | could only [vb infin] at the | 9 |
|
