| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] at that time | 186 |
|
| 2 | but [prep] that time | 105 |
|
| 3 | but at that [noun sg] | 101 |
|
| 4 | but at that [noun] | 101 |
|
| 5 | but at [adj] time | 66 |
|
| 6 | but at that time | 38 |
|
