| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have a clear | 52 |
|
| 2 | [modal v] have a clear | 44 |
|
| 3 | should have a clear | 18 |
|
| 4 | should have a clear | 18 |
|
| 5 | must have a clear | 17 |
|
| 6 | must have a clear | 17 |
|
| 7 | will have a clear | 9 |
|
| 8 | will have a clear | 9 |
|
| 9 | [modal v] have a clearer | 8 |
|
