| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [adv] be [vb pp] [prep] | 49 |
|
| 2 | it must [adv] be [verb] [prep] | 37 |
|
| 3 | it must [adv] be [verb] in | 17 |
|
| 4 | it must not be [verb] [prep] | 14 |
|
| 5 | it must [not/n't] be [verb] [prep] | 14 |
|
| 6 | it must not be [verb] [prep] | 13 |
|
| 7 | it must also be [verb] [prep] | 12 |
|
| 8 | it must also be [verb] [prep] | 12 |
|
| 9 | it must [adv] be borne [prep] | 9 |
|
| 10 | it must [adv] be bear [prep] | 9 |
|
| 11 | it must always be [verb] [prep] | 8 |
|
| 12 | it must always be [verb] [prep] | 8 |
|
| 13 | it must [adv] be [verb] by | 8 |
|
| 14 | it must [adv] be [verb] as | 7 |
|
| 15 | it must [adv] be [verb] to | 5 |
|
