| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [noun] [prep] | 1665 |
|
| 2 | only [vb infin] [noun] [prep] | 265 |
|
| 3 | could only [vb infin] [prep] | 257 |
|
| 4 | could only [vb infin] [noun] | 112 |
|
| 5 | could only [noun] [prep] | 5 |
|
