| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 10 years | 518 |
|
| 2 | [vb infin] [prep] years | 64 |
|
| 3 | [vb infin] [prep] 10 | 50 |
|
| 4 | [vb infin] 10 years | 11 |
|
