| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] [prep] [art] [adj] time | 11 |
|
| 2 | at [noun] [prep] [art] [adj] time | 11 |
|
| 3 | at [noun] for [art] [adj] time | 10 |
|
| 4 | at [noun] for [art] [adj] time | 10 |
|
| 5 | at [noun] [prep] a [adj] time | 10 |
|
| 6 | at [noun prp] [prep] [art] [adj] time | 6 |
|
| 7 | at [noun] [prep] [art] long time | 5 |
|
