| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been put in | 110 |
|
| 2 | have been put in | 106 |
|
| 3 | has been put in | 40 |
|
| 4 | had been put in | 30 |
|
| 5 | have been put in | 17 |
|
| 6 | have been put in | 9 |
|
