| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] in | 13152 |
|
| 2 | must [be] [vb pp] [prep] | 4919 |
|
| 3 | must [be] [vb pp] [prep] | 4919 |
|
| 4 | must [be] [verb] in | 944 |
|
| 5 | must [be] [vb pp] in | 918 |
|
| 6 | must [be] [vb pp] in | 917 |
|
