| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] the [num ord] six years | 16 |
|
| 2 | [vb pp] [prep] the [num ord] six years | 9 |
|
| 3 | [verb] over the [num ord] six years | 7 |
|
| 4 | [verb] over the [num ord] six years | 7 |
|
| 5 | [verb] [prep] the last six years | 7 |
|
| 6 | [verb] for the [num ord] six years | 6 |
|
| 7 | [verb] [prep] the next six years | 6 |
|
| 8 | [verb] for the [num ord] six years | 6 |
|
