| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] next [adj] months | 262 |
|
| 2 | over [art] [adj] 18 months | 45 |
|
| 3 | [prep] [art] next 18 months | 39 |
|
| 4 | over [art] next 18 month | 18 |
|
| 5 | over [art] next 18 [noun] | 18 |
|
| 6 | over [art] next 18 months | 18 |
|
| 7 | over [art] next 18 [noun pl] | 18 |
|
