| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a short period | 103 |
|
| 2 | [conj] for a short | 34 |
|
| 3 | [conj] for a period | 22 |
|
| 4 | [conj] a short period | 9 |
|
| 5 | [conj] for short period | 7 |
|
