| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pron] [verb] [been] | 275 |
|
| 2 | [modal v] [pron] have [been] | 275 |
|
| 3 | [modal v] [pron] [vb infin] [been] | 238 |
|
| 4 | [modal v] [pron] have [be] | 236 |
|
