| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [vb pp] [prep] | 288 |
|
| 2 | it must [be] [vb pp] [prep] | 288 |
|
| 3 | it must be [vb pp] [prep] | 288 |
|
| 4 | it must [be] [vb pp] in | 83 |
|
| 5 | it must [be] [vb pp] by | 47 |
|
| 6 | it must [be] [vb pp] to | 33 |
|
| 7 | it must [be] borne [prep] | 30 |
|
| 8 | it must [be] [vb pp] with | 26 |
|
| 9 | it must [be] [vb pp] at | 25 |
|
| 10 | it must [be] [vb pp] on | 13 |
|
| 11 | it must [be] based [prep] | 11 |
|
| 12 | it must [be] [vb pp] as | 10 |
|
| 13 | it must [be] [vb pp] into | 9 |
|
| 14 | it must [be] [vb pp] from | 9 |
|
| 15 | it must [be] done [prep] | 9 |
|
| 16 | it must [be] seen [prep] | 7 |
|
| 17 | it must [be] accompanied [prep] | 7 |
|
| 18 | it must [be] taken [prep] | 7 |
|
| 19 | it must [be] [vb pp] for | 6 |
|
| 20 | it must [be] said [prep] | 6 |
|
| 21 | it must [be] related [prep] | 5 |
|
