| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have a [adj] | 223 |
|
| 2 | [vb mod] have a clear | 52 |
|
| 3 | [modal v] have a clear | 52 |
|
| 4 | must [vb infin] a clear | 25 |
|
| 5 | must [verb] a clear | 25 |
|
| 6 | must have a clear | 17 |
|
| 7 | must have [art] clear | 17 |
|
| 8 | must have [art] clear | 17 |
|
| 9 | must have a clear | 17 |
|
| 10 | must have a clear | 17 |
|
