| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] a | 3878 |
|
| 2 | be [vb pp] [prep] a long | 43 |
|
| 3 | to be [vb pp] a long | 7 |
|
| 4 | to be [vb pp] [prep] long | 7 |
|
