| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] [been] [verb] | 4625 |
|
| 2 | they [verb] [been] [verb] | 3466 |
|
| 3 | which they [verb] [verb] | 962 |
|
| 4 | which they [verb] [been] | 163 |
|
