| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [pers pn] have be | 221 |
|
| 2 | could [pers pn] [verb] be | 96 |
|
| 3 | could [pers pn] [vb infin] be | 94 |
|
| 4 | could [pers pn] have be | 94 |
|
| 5 | could [pron] have be | 92 |
|
| 6 | could [pers pn] have [be] | 91 |
|
