| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] at [art] | 118 |
|
| 2 | [vb mod] at [art] | 118 |
|
| 3 | must [prep] [art] | 88 |
|
| 4 | must [prep] [art] | 88 |
|
| 5 | must at [art] | 11 |
|
| 6 | must at [art] | 11 |
|
| 7 | must at [art] | 11 |
|
