| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at [adj] time | 607 |
|
| 2 | [conj] at [det] time | 528 |
|
| 3 | [conj] at some [noun] | 156 |
|
| 4 | [conj] at some [noun sg] | 136 |
|
| 5 | [conj] [prep] some time | 71 |
|
| 6 | [conj] [prep] some time | 71 |
|
| 7 | [conj] at some time | 37 |
|
| 8 | [conj] at some time | 28 |
|
| 9 | [conj] at some time | 28 |
|
