| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] by | 795 |
|
| 2 | must be [vb pp] by | 795 |
|
| 3 | must be paid [prep] | 81 |
|
| 4 | must be paid [prep] | 81 |
|
| 5 | [vb mod] be paid by | 49 |
|
| 6 | [modal v] be paid by | 49 |
|
| 7 | must be paid by | 9 |
|
| 8 | must be paid by | 9 |
|
| 9 | must be paid by | 9 |
|
| 10 | must [be] paid by | 9 |
|
| 11 | must be pay by | 9 |
|
| 12 | must [be] paid by | 9 |
|
