| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been some [noun sg] | 218 |
|
| 2 | [pron] must have some [noun sg] | 44 |
|
| 3 | [pron] must have been some | 37 |
|
| 4 | must have been some [noun sg] | 29 |
|
| 5 | [pron] must have been [noun sg] | 29 |
|
