| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [been] [adv] | 535 |
|
| 2 | must have been [adv] | 535 |
|
| 3 | must have [been] [adv] | 522 |
|
| 4 | must have [been] very | 71 |
|
| 5 | must have [been] about | 45 |
|
| 6 | must have [been] quite | 29 |
|
| 7 | must have [been] there | 28 |
|
| 8 | must have [been] more | 25 |
|
| 9 | must have [been] pretty | 22 |
|
| 10 | must have [been] just | 15 |
|
| 11 | must have [been] really | 13 |
|
| 12 | must 've [been] [adv] | 13 |
|
| 13 | must have [been] well | 10 |
|
| 14 | must have [been] almost | 10 |
|
| 15 | must have [been] as | 10 |
|
| 16 | must have [been] rather | 9 |
|
| 17 | must have [been] too | 9 |
|
| 18 | must have [been] even | 8 |
|
| 19 | must have [been] so | 8 |
|
| 20 | must have [been] much | 7 |
|
| 21 | must have [been] especially | 6 |
|
| 22 | must have [been] nearly | 6 |
|
| 23 | must have [been] here | 6 |
|
| 24 | must have [been] absolutely | 5 |
|
| 25 | must have [been] particularly | 5 |
|
| 26 | must have [been] hard | 5 |
|
| 27 | must have [been] extremely | 5 |
|
