| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] since | 289 |
|
| 2 | [adv] [vb pp] last | 125 |
|
| 3 | [vb pp] since last | 32 |
|
| 4 | [adv] since last | 31 |
|
