| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] it could [vb infin] [adj] | 6 |
|
| 2 | [vb past] it could [adv] [vb infin] [adj] | 6 |
|
| 3 | [vb past] it could [not/n't] [vb infin] [adj] | 6 |
|
| 4 | [vb past] it could not [vb infin] [adj] | 6 |
|
| 5 | [vb past] it could [vb infin] [art] [adj] | 7 |
|
| 6 | [vb past] it could [vb infin] [art] [adj] | 7 |
|
| 7 | [vb past] it could [vb infin] a [adj] | 6 |
|
| 8 | [vb past] it could [vb infin] a [adj] | 5 |
|
| 9 | [vb past] it could [vb infin] [adj] [noun] | 5 |
|
