| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over [art] long period [prep] time | 71 |
|
| 2 | over [art] long [noun sg] [prep] time | 71 |
|
| 3 | over a long [noun sg] [prep] time | 71 |
|
| 4 | over [art] long [noun sg] of time | 71 |
|
| 5 | over a long [noun sg] [prep] time | 71 |
|
