| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have a good | 24 |
|
| 2 | must have a clear | 17 |
|
| 3 | must have a high | 8 |
|
| 4 | must have a common | 7 |
|
| 5 | must have a strong | 5 |
|
| 6 | must have a certain | 5 |
|
