| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] have [be] [verb] | 448 |
|
| 2 | [pron] could have [be] [verb] | 406 |
|
| 3 | [vb base] [pron] could have [verb] | 106 |
|
| 4 | [vb base] [pron] could [be] [verb] | 53 |
|
| 5 | [vb base] [pron] could have [be] | 38 |
|
