| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [vb pp] a | 1070 |
|
| 2 | [vb -s] [been] [vb pp] [art] | 906 |
|
| 3 | [vb -s] [been] [vb pp] [art] | 906 |
|
| 4 | [vb -s] [been] [verb] a | 639 |
|
| 5 | [vb -s] [been] [vb pp] a | 478 |
|
| 6 | [vb -s] [be] [vb pp] a | 401 |
|
