| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [be] | 6252 |
|
| 2 | which have be | 6252 |
|
| 3 | which have been | 6251 |
|
| 4 | which have [been] | 6251 |
|
| 5 | which had [be] | 2745 |
|
| 6 | which has [be] | 2075 |
|
| 7 | which have [be] | 1431 |
|
