| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [adj] time [prep] | 375 |
|
| 2 | [to-vb] at [adj] [noun] [prep] | 291 |
|
| 3 | [to-vb] [prep] [adj] time [prep] | 56 |
|
