| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have been [adv] | 562 |
|
| 2 | must have been [adv] | 522 |
|
| 3 | must have been very | 71 |
|
| 4 | must have been very | 71 |
|
| 5 | must have been about | 46 |
|
| 6 | must have been about | 44 |
|
| 7 | must have been [adv prt] | 36 |
|
| 8 | must have been quite | 29 |
|
| 9 | must have been quite | 29 |
|
| 10 | must have been there | 26 |
|
| 11 | must have been there | 26 |
|
| 12 | must have been more | 25 |
|
| 13 | must have been more | 25 |
|
| 14 | must have been pretty | 21 |
|
| 15 | must have been pretty | 21 |
|
| 16 | must have been just | 15 |
|
| 17 | must have been just | 15 |
|
| 18 | must have been really | 11 |
|
| 19 | must have been really | 11 |
|
| 20 | must have been well | 11 |
|
| 21 | must have been almost | 10 |
|
| 22 | must have been as | 10 |
|
| 23 | must have been out | 10 |
|
| 24 | must have been well | 10 |
|
| 25 | must have been out | 10 |
|
| 26 | must have been almost | 10 |
|
| 27 | must have been as | 10 |
|
| 28 | must have been rather | 9 |
|
| 29 | must have been too | 9 |
|
| 30 | must have been rather | 9 |
|
