| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [vb infin] [prep] [adj] years | 9 |
|
| 2 | it [vb mod] [vb infin] for [adj] year | 6 |
|
| 3 | it [vb mod] [vb infin] [prep] [num] year | 6 |
|
