| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for several day | 29 |
|
| 2 | [adv] for several days | 29 |
|
| 3 | [adv] for several day | 21 |
|
| 4 | [adv prt] for several day | 8 |
|
