| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] for four | 86 |
|
| 2 | [be] [vb pp] for year | 63 |
|
| 3 | [vb pp] for four year | 47 |
|
| 4 | [be] [vb pp] four year | 29 |
|
