| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adj] years | 446 |
|
| 2 | [be] [vb pp] [num] years | 362 |
|
| 3 | [be] [vb pp] four [noun] | 129 |
|
| 4 | [be] [vb pp] four [noun pl] | 126 |
|
| 5 | [be] [verb] four years | 34 |
|
| 6 | [be] [vb pp] four years | 29 |
|
| 7 | [be] [vb pp] four year | 29 |
|
