| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must have been a [adj] | 131 |
|
| 2 | [pers pn] must have been a [adj] | 88 |
|
| 3 | it must have been a [adj] | 71 |
|
| 4 | it must have been a [adj] | 71 |
|
| 5 | [noun] must have been a [adj] | 41 |
|
| 6 | [noun sg] must have been a [adj] | 26 |
|
| 7 | there must have been a [adj] | 23 |
|
| 8 | there must have been a [adj] | 23 |
|
| 9 | [ex0] must have been a [adj] | 23 |
|
| 10 | [Wh det] must have been a [adj] | 19 |
|
| 11 | [adj] must have been a [adj] | 15 |
|
| 12 | what must have been a [adj] | 14 |
|
| 13 | what must have been a [adj] | 14 |
|
| 14 | [det] must have been a [adj] | 13 |
|
| 15 | [noun prp] must have been a [adj] | 12 |
|
| 16 | he must have been a [adj] | 9 |
|
| 17 | he must have been a [adj] | 9 |
|
| 18 | this must have been a [adj] | 6 |
|
| 19 | this must have been a [adj] | 6 |
|
| 20 | that must have been a [adj] | 5 |
|
| 21 | which must have been a [adj] | 5 |
|
| 22 | which must have been a [adj] | 5 |
|
| 23 | that must have been a [adj] | 5 |
|
| 24 | must [adv] have been a [adj] | 9 |
|
| 25 | must [adv] have been a [adj] | 9 |
|
| 26 | must have been [adv] a [adj] | 8 |
|
| 27 | must have been [adv] a [adj] | 8 |
|
| 28 | must have been [verb] a [adj] | 7 |
|
| 29 | must have been [prep] a [adj] | 7 |
|
| 30 | must have been [prep] a [adj] | 7 |
|
