| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb base] at | 2274 |
|
| 2 | [noun] at time | 409 |
|
| 3 | [noun] [vb base] time | 151 |
|
| 4 | [vb base] at time | 55 |
|
