| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] have been | 130 |
|
| 2 | [vb base] have been | 29 |
|
| 3 | [vb past] have been | 29 |
|
| 4 | [vb -s] have been | 19 |
|
| 5 | [to-vb] have been | 14 |
|
| 6 | [vb infin] have been | 11 |
|
| 7 | have have been | 11 |
|
| 8 | involve have been | 8 |
|
| 9 | involved have been | 7 |
|
| 10 | used have been | 6 |
|
| 11 | [v-ing] have been | 6 |
|
| 12 | use have been | 6 |
|
| 13 | know have been | 5 |
|
| 14 | think have been | 5 |
|
| 15 | say have been | 5 |
|
| 16 | unite have been | 5 |
|
