| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] months [prep] [art] | 19 |
|
| 2 | [prep] a [adj] months [prep] [art] | 19 |
|
| 3 | [prep] a [adj] months [conj] [art] | 5 |
|
| 4 | [prep] a [adj] months at [art] | 5 |
|
| 5 | [prep] a [adj] months in [art] | 5 |
|
| 6 | [prep] a [adj] months in [art] | 5 |
|
| 7 | [prep] a [adj] months at [art] | 5 |
|
