| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [prep] a | 15622 |
|
| 2 | which [vb -s] [prep] | 6868 |
|
| 3 | which [vb -s] a | 3467 |
|
| 4 | which [prep] a | 231 |
|
