| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be use [prep] [adv] [adj] | 96 |
|
| 2 | be [prep] [adv] [adj] years | 90 |
|
| 3 | be use [prep] [adj] years | 24 |
|
| 4 | use [prep] [adv] [adj] years | 8 |
|
