| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [pron] could | 535 |
|
| 2 | [adv] [indef pn] could | 198 |
|
| 3 | then [indef pn] [vb mod] | 169 |
|
| 4 | then [indef pn] [modal v] | 169 |
|
| 5 | then [indef pn] could | 16 |
|
