| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been put | 42 |
|
| 2 | which have [been] put | 42 |
|
| 3 | which have [been] put | 42 |
|
| 4 | which had [been] put | 15 |
|
| 5 | which has [been] put | 15 |
|
| 6 | which have [been] put | 12 |
|
