| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] long period | 63 |
|
| 2 | [conj] [vb pp] [prep] long | 23 |
|
| 3 | [conj] [prep] long period | 19 |
|
| 4 | [conj] [vb pp] [prep] period | 5 |
|
