| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] [noun] | 141081 |
|
| 2 | be [vb pp] [prep] [noun] | 125389 |
|
| 3 | be base [prep] [noun] | 1458 |
|
| 4 | [be] based [prep] [noun] | 1458 |
|
