| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at the [adj] time | 1493 |
|
| 2 | [subord] at the [adj] [noun] | 552 |
|
| 3 | [subord] at the [adj] [noun sg] | 539 |
|
| 4 | [subord] [prep] the [adj] time | 485 |
|
| 5 | [subord] at [art] [adj] time | 437 |
|
| 6 | [subord] at the [adj] time | 431 |
|
