| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [num ord] four years | 252 |
|
| 2 | in [art] [num ord] four | 174 |
|
| 3 | in [art] [num ord] years | 113 |
|
| 4 | in [art] four years | 23 |
|
