| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb base] been identify | 18 |
|
| 2 | [Wh det] [vb base] be identified | 18 |
|
| 3 | which [vb base] be identify | 18 |
|
| 4 | [Wh det] have be identify | 18 |
|
