| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [verb] [pron] [modal v] | 276 |
|
| 2 | have [be] [verb] [pron] [modal v] | 264 |
|
| 3 | [vb base] [be] [verb] [pron] [modal v] | 72 |
|
