| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb base] [prep] | 4330 |
|
| 2 | which be [prep] | 3667 |
|
| 3 | [vb base] be [prep] | 2999 |
|
| 4 | which [vb base] be | 1579 |
|
