| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [verb] be [prep] | 83 |
|
| 2 | it must [verb] [be] [prep] | 83 |
|
| 3 | it must [verb] been [prep] | 83 |
|
| 4 | it must have [be] [prep] | 83 |
|
| 5 | it must [vb infin] [be] [prep] | 83 |
|
| 6 | it must [verb] [be] [prep] | 83 |
|
| 7 | it must [verb] [been] [prep] | 83 |
|
| 8 | it must have [be] [prep] | 82 |
|
| 9 | it must [verb] [be] like | 26 |
|
| 10 | it must [verb] [be] like | 26 |
|
| 11 | it must [verb] [be] in | 16 |
|
| 12 | it must [verb] [be] in | 16 |
|
| 13 | it must [verb] [be] for | 6 |
|
| 14 | it must [verb] [be] on | 6 |
|
| 15 | it must [verb] [be] for | 6 |
|
| 16 | it must [verb] [be] on | 6 |
|
| 17 | it must [verb] [be] about | 5 |
|
| 18 | it must [verb] [be] at | 5 |
|
| 19 | it must [verb] [be] at | 5 |
|
| 20 | it must [verb] [be] about | 5 |
|
