| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [be] [verb] for twenty year | 5 |
|
| 2 | has [been] [verb] [prep] twenty year | 5 |
|
| 3 | has [be] [verb] [prep] twenty year | 5 |
|
| 4 | has been [verb] [prep] twenty year | 5 |
|
| 5 | has [be] [verb] [prep] twenty years | 5 |
|
| 6 | has [be] [verb] for twenty year | 5 |
|
| 7 | has be [verb] [prep] twenty year | 5 |
|
| 8 | has [be] [verb] [prep] twenty year | 5 |
|
