| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [verb] several | 75 |
|
| 2 | have be [vb pp] several | 71 |
|
| 3 | have be mentioned [det] | 6 |
|
| 4 | have be mentioned [adj] | 6 |
|
| 5 | have [be] mentioned several | 5 |
|
| 6 | have be mention several | 5 |
|
| 7 | have be mentioned several | 5 |
|
| 8 | [verb] be mentioned several | 5 |
|
