| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be on [art] [adj] | 184 |
|
| 2 | must be [prep] [art] [adj] | 76 |
|
| 3 | must be [prep] [art] [adj] | 76 |
|
| 4 | must be on [art] [adj] | 19 |
|
| 5 | must be on [art] [adj] | 16 |
|
| 6 | must [be] on [art] [adj] | 16 |
|
| 7 | must [be] on [art] [adj] | 16 |
|
| 8 | must be on [art] [adj] | 16 |
|
