| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] [prep] [noun] | 697 |
|
| 2 | [modal v] have been [verb] [prep] [noun pl] | 151 |
|
| 3 | [modal v] [verb] been [verb] [prep] years | 6 |
|
| 4 | [modal v] have been [verb] [prep] year | 6 |
|
| 5 | [modal v] have [be] [verb] [prep] years | 6 |
|
| 6 | [modal v] have [been] [verb] [prep] years | 6 |
|
| 7 | [modal v] have be [verb] [prep] years | 6 |
|
| 8 | [modal v] have been [verb] [prep] years | 6 |
|
