| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] train a day | 7 |
|
| 2 | [adj] train a day | 7 |
|
| 3 | one train a day | 5 |
|
| 4 | [adj] train a day | 5 |
|
| 5 | one train a day | 5 |
|
