| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [num] months [prep] | 21 |
|
| 2 | [prep] a further [adj] months [prep] | 17 |
|
| 3 | [prep] a far [adj] months [prep] | 17 |
|
| 4 | [prep] a [adj -er] [adj] months [prep] | 17 |
|
| 5 | for a [adj] [adj] months [prep] | 17 |
|
| 6 | [prep] a [adj] six months [prep] | 8 |
|
| 7 | [prep] a [adj] six months [prep] | 8 |
|
| 8 | [prep] a [adj] [adj] months from | 7 |
|
| 9 | [prep] a [adj] [adj] months of | 5 |
|
