| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over a long [noun sg] [prep] | 94 |
|
| 2 | over a long period [prep] | 93 |
|
| 3 | over a long [noun sg] [prep] | 86 |
|
| 4 | over a long [noun sg] of | 85 |
|
| 5 | over a longer [noun sg] [prep] | 8 |
|
