| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | twelve months [unc] [noun sg] | 15 |
|
| 2 | twelve months ['s] [noun sg] | 14 |
|
| 3 | twelve months ' [noun sg] | 14 |
|
| 4 | twelve months ' [noun sg] | 14 |
|
| 5 | twelve months [unc] time | 5 |
|
