| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] [conj] | 4146 |
|
| 2 | [prep] [adj] time [conj] | 1767 |
|
| 3 | [prep] [adj] time [conj] | 1767 |
|
| 4 | at [adj] time [conj] | 814 |
|
