| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must [vb infin] [vb pp] | 279 |
|
| 2 | they must [verb] [vb pp] | 279 |
|
| 3 | they must have [vb pp] | 276 |
|
| 4 | they must have [vb pp] | 270 |
|
| 5 | they must [verb] had | 32 |
|
| 6 | they must [verb] known | 25 |
|
| 7 | they must [verb] done | 19 |
|
| 8 | they must [verb] got | 15 |
|
| 9 | they must [verb] thought | 13 |
|
| 10 | they must [verb] seen | 12 |
|
| 11 | they must [verb] worked | 7 |
|
| 12 | they must [verb] felt | 7 |
|
| 13 | they must [verb] looked | 7 |
|
| 14 | they must [verb] taken | 7 |
|
| 15 | they must [verb] gone | 6 |
|
| 16 | they must 've [vb pp] | 6 |
|
| 17 | they must [verb] heard | 5 |
|
| 18 | they must [verb] come | 5 |
|
