| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | year [prep] the [num ord] three years | 11 |
|
| 2 | year [prep] [art] [num ord] three years | 11 |
|
| 3 | year [prep] [art] [num ord] three years | 11 |
|
| 4 | year [prep] [art] next three years | 9 |
|
| 5 | year for [art] [num ord] three years | 6 |
|
| 6 | year for [art] [num ord] three years | 6 |
|
