| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then we [modal v] [adv] | 122 |
|
| 2 | [adv] we could [adv] | 59 |
|
| 3 | then [pron] could [adv] | 56 |
|
| 4 | then we could [adv] | 13 |
|
