| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the period [prep] [adj] years | 12 |
|
| 2 | [prep] the period [prep] [adj] years | 12 |
|
| 3 | during the period [prep] [adj] years | 5 |
|
| 4 | during the period [prep] [adj] years | 5 |
|
| 5 | the [adj] period [prep] [adj] years | 7 |
|
| 6 | the [adj] period [prep] [adj] years | 6 |
|
| 7 | the period [prep] [adj] years from | 5 |
|
| 8 | the period [prep] [adj] years [prep] | 5 |
|
| 9 | the period [prep] [adj] years from | 5 |
|
| 10 | the period [prep] [adj] years [prep] | 5 |
|
