| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] [conj] | 7724 |
|
| 2 | [prep] [art] time [conj] | 1331 |
|
| 3 | [prep] [art] time [conj] | 1331 |
|
| 4 | at [art] time [conj] | 714 |
|
| 5 | at [art] time [conj] | 714 |
|
