| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] long since [vb pp] | 51 |
|
| 2 | long since [vb pp] [adv] | 43 |
|
| 3 | [vb -s] since [vb pp] [adv] | 40 |
|
| 4 | [vb -s] long [vb pp] [adv] | 5 |
|
