| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] least [adj] years | 27 |
|
| 2 | be [prep] [adv] [adj] years | 27 |
|
| 3 | be at [adv] [adj] years | 27 |
|
| 4 | be [prep] [adv] [adj] years | 27 |
|
| 5 | be [prep] least [adj] years | 27 |
|
| 6 | be at [adv] [adj] years | 27 |
|
| 7 | be [prep] [adv] [num] years | 27 |
|
