| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] have [vb pp] [num] year | 6 |
|
| 2 | it [vb mod] have [vb pp] [num] year | 6 |
|
| 3 | it [vb mod] [verb] [vb pp] [num] years | 6 |
|
| 4 | it [vb mod] [vb infin] [vb pp] [num] year | 6 |
|
