| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] [adv prt] the | 172 |
|
| 2 | before [pron] could [vb infin] the | 81 |
|
| 3 | before [pron] could [vb infin] [adv prt] | 73 |
|
