| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [to-vb] been [art] | 61 |
|
| 2 | [is] [vb pp] [to-vb] been [art] | 61 |
|
| 3 | [be] [vb pp] [to-vb] been a | 59 |
|
| 4 | [is] [vb pp] [to-vb] [be] a | 31 |
|
| 5 | [is] [vb pp] [to-vb] been a | 31 |
|
| 6 | [is] [vb pp] [to-vb] be a | 31 |
|
| 7 | [is] [vb pp] [verb] been a | 29 |
|
| 8 | [is] [vb pp] [to-vb] [been] a | 28 |
|
| 9 | [is] [verb] [to-vb] been a | 28 |
|
