| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been prepare under | 7 |
|
| 2 | have be prepare under | 7 |
|
| 3 | have [been] prepare under | 7 |
|
| 4 | have [be] prepare under | 7 |
|
| 5 | have [be] prepared under | 7 |
|
