| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] months i | 28 |
|
| 2 | for [adj] months i | 18 |
|
| 3 | [prep] [det] months i | 9 |
|
| 4 | [prep] six months i | 8 |
|
| 5 | [prep] six months i | 8 |
|
| 6 | after [adj] months i | 7 |
|
