| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] [pron] could [vb infin] | 712 |
|
| 2 | [conj] [pron] could just [vb infin] | 206 |
|
| 3 | [vb past] [pron] could just [vb infin] | 13 |
|
| 4 | [vb past] [conj] [pron] could just | 8 |
|
