| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [been] | 25566 |
|
| 2 | they have [been] | 5623 |
|
| 3 | they [verb] [been] | 5623 |
|
| 4 | they [vb past] [been] | 2540 |
|
| 5 | they had [be] | 2142 |
|
