| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] for three years | 44 |
|
| 2 | in [noun prp] for three | 37 |
|
| 3 | in [noun prp] three years | 17 |
|
| 4 | in [noun prp] for years | 14 |
|
