| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have not always been | 33 |
|
| 2 | [pers pn] have not always been | 26 |
|
| 3 | it have not always been | 17 |
|
| 4 | it have not always been | 17 |
|
| 5 | [pron] has not always been | 16 |
|
| 6 | [pron] have not always been | 8 |
|
| 7 | they have not always been | 7 |
|
| 8 | they have not always been | 7 |
|
| 9 | [pron] had not always been | 5 |
|
| 10 | [Wh det] have not always been | 5 |
|
