| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [adj] months ' | 64 |
|
| 2 | to [adj] months ['s] | 64 |
|
| 3 | to [num] months [unc] | 64 |
|
| 4 | to [adj] months ' | 64 |
|
| 5 | to three months [unc] | 18 |
|
| 6 | to three months [unc] | 18 |
|
| 7 | to 18 months [unc] | 11 |
|
| 8 | to 18 months [unc] | 11 |
|
| 9 | to six months [unc] | 10 |
|
| 10 | to six months [unc] | 10 |
|
