| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it for [num] months | 29 |
|
| 2 | it [prep] six months | 17 |
|
| 3 | it [prep] three months | 14 |
|
| 4 | it in [num] months | 9 |
|
| 5 | it after [num] months | 5 |
|
