| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | hospital for a few day | 5 |
|
| 2 | hospital [prep] a few day | 5 |
|
| 3 | hospital [prep] a few day | 5 |
|
| 4 | hospital for a few day | 5 |
|
| 5 | hospital [prep] a few day | 5 |
|
| 6 | hospital [prep] a few days | 5 |
|
