| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over the [adj] 20 | 141 |
|
| 2 | over the [adj] 20 | 141 |
|
| 3 | over the [num ord] 20 | 84 |
|
| 4 | over the [adj] 20 | 57 |
|
| 5 | over the past 20 | 55 |
|
| 6 | over the past 20 | 55 |
|
| 7 | over the last 20 | 43 |
|
| 8 | over the last 20 | 43 |
|
| 9 | over the next 20 | 41 |
|
| 10 | over the next 20 | 41 |
|
