| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pers pn] [modal v] [adv] have been | 65 |
|
| 2 | [conj] [pers pn] could [adv] have been | 49 |
|
| 3 | [subord] [pers pn] could [adv] have been | 25 |
|
| 4 | [subord] [pers pn] could [adv] have be | 10 |
|
| 5 | [subord] [pers pn] could [adv] have [been] | 10 |
|
| 6 | [subord] [pron] could [adv] have been | 10 |
|
| 7 | [subord] [pers pn] could [adv] [verb] been | 10 |
|
| 8 | [subord] [pers pn] could [adv] have [be] | 10 |
|
| 9 | [subord] [pers pn] could [adv] have been | 10 |
|
| 10 | [subord] [pers pn] could [adv] [vb infin] been | 10 |
|
