| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [verb] [been] [verb] a | 78 |
|
| 2 | they [vb mod] [verb] [been] [verb] [art] | 19 |
|
| 3 | they [vb mod] [verb] [be] [verb] a | 16 |
|
| 4 | they [modal v] [verb] [been] [verb] a | 8 |
|
