| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] a [noun sg] | 2007 |
|
| 2 | [been] [vb pp] a [noun sg] | 661 |
|
| 3 | [been] [vb pp] [conj] a | 321 |
|
| 4 | [been] [vb pp] [conj] [noun sg] | 320 |
|
| 5 | [been] [conj] a [noun sg] | 11 |
|
