| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] years [prep] [art] time | 30 |
|
| 2 | [num] years [prep] the time | 24 |
|
| 3 | [num] years at [art] time | 11 |
|
| 4 | [num] years at [art] time | 11 |
|
| 5 | [num] years from [art] time | 8 |
|
| 6 | [num] years from [art] time | 8 |
|
| 7 | [num] years [prep] a time | 6 |
|
| 8 | two years [prep] [art] time | 5 |
|
