| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been in [det] [noun sg] | 19 |
|
| 2 | could have been [prep] [det] [noun sg] | 10 |
|
| 3 | could have been in [adj] [noun sg] | 10 |
|
| 4 | could have been [prep] [det] [noun sg] | 10 |
|
| 5 | could have been in [det] [noun] | 7 |
|
| 6 | could have been in [det] [noun sg] | 6 |
|
| 7 | could have [been] in [det] [noun sg] | 6 |
|
| 8 | could have [be] in [det] [noun sg] | 6 |
|
| 9 | could have be in [det] [noun sg] | 6 |
|
| 10 | could [verb] been in [det] [noun sg] | 6 |
|
