| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [adj] years | 513 |
|
| 2 | [be] [verb] [prep] twenty years | 14 |
|
| 3 | be [verb] [prep] twenty years | 14 |
|
| 4 | been [verb] [prep] twenty [noun pl] | 13 |
|
| 5 | been [verb] [prep] twenty [noun] | 13 |
|
| 6 | been [verb] [prep] twenty years | 10 |
|
| 7 | been [verb] [prep] twenty year | 10 |
|
| 8 | [been] [verb] [prep] twenty years | 10 |
|
