| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [modal v] [adv] have [be] | 162 |
|
| 2 | [det] [vb mod] [adv] have [be] | 162 |
|
| 3 | [adj] could [adv] have [be] | 38 |
|
| 4 | [det] could [adv] [verb] [be] | 32 |
|
| 5 | [det] could [adv] have [be] | 31 |
|
