| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] [modal v] [be] [verb] [prep] | 218 |
|
| 2 | [vb base] [pron] [vb mod] [be] [verb] [prep] | 218 |
|
| 3 | [verb] [pron] could [be] [verb] [prep] | 90 |
|
| 4 | [vb base] [pron] could [be] [verb] [prep] | 19 |
|
