| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been add to | 112 |
|
| 2 | have be added to | 109 |
|
| 3 | have be add to | 44 |
|
| 4 | has be add to | 42 |
|
| 5 | had be add to | 18 |
|
