| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | six month [unc] | 131 |
|
| 2 | six month ['s] | 125 |
|
| 3 | six months [unc] | 120 |
|
| 4 | six month ' | 114 |
|
| 5 | six month ' | 114 |
|
| 6 | six month 's | 11 |
|
| 7 | six month [unc] | 11 |
|
| 8 | six month 's | 11 |
|
| 9 | six month [no cls] | 6 |
|
