| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] appropriate time | 89 |
|
| 2 | [art] appropriate time | 89 |
|
| 3 | the appropriate time | 55 |
|
| 4 | the appropriate time | 55 |
|
| 5 | an appropriate time | 34 |
|
| 6 | a appropriate time | 34 |
|
