| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [verb] | 3286 |
|
| 2 | [pron] have been keep | 138 |
|
| 3 | [pers pn] have been keep | 100 |
|
| 4 | they [verb] been keep | 19 |
|
| 5 | they have [be] keep | 19 |
|
| 6 | they have been keep | 19 |
|
| 7 | they have be keep | 19 |
|
| 8 | they have [been] keep | 19 |
|
