| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [num] years ' | 27 |
|
| 2 | [prep] [art] thirty years ' | 14 |
|
| 3 | of [art] [num] years ' | 11 |
|
| 4 | [prep] [art] hundred years ' | 9 |
|
| 5 | in [art] [num] years ' | 8 |
|
| 6 | during [art] [num] years ' | 8 |
|
| 7 | [prep] a [num] years ' | 7 |
|
| 8 | [prep] [art] seven years ' | 5 |
|
