| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] years at [art] [noun] of | 31 |
|
| 2 | [num] years at [art] [noun sg] of | 30 |
|
| 3 | [num] [noun] at [art] time of | 20 |
|
| 4 | [num] [noun pl] at [art] time of | 16 |
|
| 5 | [num] years [prep] [art] time of | 11 |
|
| 6 | [num] years [prep] [art] time of | 11 |
|
| 7 | [num] years at [art] time of | 7 |
|
| 8 | [num] years at [art] time of | 7 |
|
| 9 | [num] years at [art] time of | 7 |
|
| 10 | [adj] years at [art] time of | 7 |
|
| 11 | [num] years at [art] time [prep] | 7 |
|
| 12 | [num] year at [art] time of | 7 |
|
| 13 | [num] years at [art] time of | 7 |
|
| 14 | [num] years at [art] time [prep] | 7 |
|
