| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [been] [verb] | 7006 |
|
| 2 | [modal v] have [been] [vb pp] | 5882 |
|
| 3 | [modal v] have [been] noticed | 15 |
|
| 4 | [modal v] have [been] notice | 15 |
|
| 5 | [modal v] [vb infin] [been] noticed | 15 |
|
| 6 | [modal v] have [be] noticed | 15 |
|
| 7 | [modal v] [verb] [been] noticed | 15 |
|
