| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] have [been] noticed | 5 |
|
| 2 | [noun] [modal v] have be noticed | 5 |
|
| 3 | [noun] [modal v] have been noticed | 5 |
|
| 4 | [noun] [vb mod] have [be] noticed | 5 |
|
