| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] | 555143 |
|
| 2 | be [vb pp] [prep] | 477770 |
|
| 3 | be base [prep] | 5738 |
|
| 4 | [be] based [prep] | 5738 |
|
| 5 | be based [prep] | 5738 |
|
