| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] a | 5754 |
|
| 2 | also been [vb pp] [prep] | 738 |
|
| 3 | also [vb pp] [prep] a | 491 |
|
| 4 | also been [vb pp] a | 12 |
|
