| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [be] [vb pp] | 10248 |
|
| 2 | [noun pl] be [be] [vb pp] | 3790 |
|
| 3 | system be [be] [vb pp] | 69 |
|
| 4 | systems be [be] [verb] | 23 |
|
| 5 | systems [be] [be] [vb pp] | 23 |
|
