| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv prt] a long | 71 |
|
| 2 | [adv prt] a long period | 32 |
|
| 3 | [vb past] [adv prt] a period | 24 |
|
| 4 | [vb past] a long period | 8 |
|
