| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] [prep] time | 527 |
|
| 2 | over a [adj] [noun] [prep] [noun] | 325 |
|
| 3 | over a [adj] [noun] [prep] time | 128 |
|
| 4 | over [art] [adj] [noun] [prep] time | 122 |
|
