| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] since they [vb past] | 47 |
|
| 2 | ever since they [vb past] | 34 |
|
| 3 | [adv] since they had | 15 |
|
| 4 | [adv] since they 'd | 5 |
|
