| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | because at [adj] time | 29 |
|
| 2 | because at [adj] time | 29 |
|
| 3 | because at [det] time | 26 |
|
| 4 | because at that time | 23 |
|
| 5 | because at that time | 23 |
|
