| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over the next 18 | 9 |
|
| 2 | over the next 18 month | 18 |
|
| 3 | over the next 18 [noun pl] | 18 |
|
| 4 | over the next 18 [noun] | 18 |
|
| 5 | over the next 18 months | 18 |
|
