| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have been some [noun sg] | 26 |
|
| 2 | there must have been some [noun sg] | 16 |
|
| 3 | there must have been some [noun sg] | 16 |
|
| 4 | [ex0] must have been some [noun sg] | 16 |
|
| 5 | it must have been some [noun sg] | 10 |
|
| 6 | it must have been some [noun sg] | 10 |
|
| 7 | [pers pn] must have been some [noun sg] | 10 |
|
| 8 | must have been [prep] some [noun sg] | 5 |
|
| 9 | must have been [prep] some [noun sg] | 5 |
|
| 10 | must have been some [noun sg] [prep] | 18 |
|
| 11 | must have been some [noun sg] [prep] | 18 |
|
| 12 | must have been some [noun sg] of | 10 |
|
| 13 | must have been some [noun sg] of | 10 |
|
