| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a two year | 11 |
|
| 2 | of a two year | 10 |
|
| 3 | after a two year | 9 |
|
| 4 | for a two year | 8 |
|
| 5 | on a two year | 6 |
|
| 6 | with a two year | 6 |
|
