| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [prep] | 58900 |
|
| 2 | [vb pp] [prep] [num] | 42284 |
|
| 3 | [been] [vb pp] [num] | 402 |
|
| 4 | [been] [prep] [num] | 306 |
|
