| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] three | 15 |
|
| 2 | [verb] [been] three year | 12 |
|
| 3 | it [verb] [been] year | 7 |
|
| 4 | it [verb] three year | 7 |
|
