| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] two years the | 27 |
|
| 2 | [prep] two years the | 27 |
|
| 3 | within two years the | 10 |
|
| 4 | within two years the | 10 |
|
| 5 | for two years the | 7 |
|
| 6 | for two years the | 7 |
|
