| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [pron] could be | 188 |
|
| 2 | [pron] [vb base] [pron] could [adv] | 114 |
|
| 3 | [vb base] [pron] could be [adv] | 36 |
|
| 4 | [pron] [pron] could be [adv] | 18 |
|
