| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | some observer [vb past] [that] | 9 |
|
| 2 | some observers [vb past] [conj] | 9 |
|
| 3 | some observer [vb past] that | 9 |
|
| 4 | some observer [vb past] that | 9 |
|
